20163592980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1\times {\mathrm{761}}^1$

素因数の和:1271

約数の個数: 192

約数和(自身を含む): 63444729600

約数和(自身を除く): 43281136620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 139, 180, 270, 278, 353, 417, 540, 556, 695, 706, 761, 834, 1059, 1251, 1390, 1412, 1522, 1668, 1765, 2085, 2118, 2283, 2502, 2780, 3044, 3177, 3530, 3753, 3805, 4170, 4236, 4566, 5004, 5295, 6255, 6354, 6849, 7060, 7506, 7610, 8340, 9132, 9531, 10590, 11415, 12510, 12708, 13698, 15012, 15220, 15885, 18765, 19062, 20547, 21180, 22830, 25020, 27396, 31770, 34245, 37530, 38124, 41094, 45660, 47655, 49067, 63540, 68490, 75060, 82188, 95310, 98134, 102735, 105779, 136980, 147201, 190620, 196268, 205470, 211558, 245335, 268633, 294402, 317337, 410940, 423116, 441603, 490670, 528895, 537266, 588804, 634674, 736005, 805899, 883206, 952011, 981340, 1057790, 1074532, 1269348, 1324809, 1343165, 1472010, 1586685, 1611798, 1766412, 1904022, 2115580, 2208015, 2417697, 2649618, 2686330, 2856033, 2944020, 3173370, 3223596, 3808044, 4029495, 4416030, 4760055, 4835394, 5299236, 5372660, 5712066, 6346740, 6624045, 7253091, 8058990, 8832060, 9520110, 9670788, 11424132, 12088485, 13248090, 14280165, 14506182, 16117980, 19040220, 24176970, 26496180, 28560330, 29012364, 36265455, 37339987, 48353940, 57120660, 72530910, 74679974, 112019961, 145061820, 149359948, 186699935, 224039922, 336059883, 373399870, 448079844, 560099805, 672119766, 746799740, 1008179649, 1120199610, 1344239532, 1680299415, 2016359298, 2240399220, 3360598830, 4032718596, 5040898245, 6721197660, 10081796490, 20163592980]

約数ペア:

[(1, 20163592980), (2, 10081796490), (3, 6721197660), (4, 5040898245), (5, 4032718596), (6, 3360598830), (9, 2240399220), (10, 2016359298), (12, 1680299415), (15, 1344239532), (18, 1120199610), (20, 1008179649), (27, 746799740), (30, 672119766), (36, 560099805), (45, 448079844), (54, 373399870), (60, 336059883), (90, 224039922), (108, 186699935), (135, 149359948), (139, 145061820), (180, 112019961), (270, 74679974), (278, 72530910), (353, 57120660), (417, 48353940), (540, 37339987), (556, 36265455), (695, 29012364), (706, 28560330), (761, 26496180), (834, 24176970), (1059, 19040220), (1251, 16117980), (1390, 14506182), (1412, 14280165), (1522, 13248090), (1668, 12088485), (1765, 11424132), (2085, 9670788), (2118, 9520110), (2283, 8832060), (2502, 8058990), (2780, 7253091), (3044, 6624045), (3177, 6346740), (3530, 5712066), (3753, 5372660), (3805, 5299236), (4170, 4835394), (4236, 4760055), (4566, 4416030), (5004, 4029495), (5295, 3808044), (6255, 3223596), (6354, 3173370), (6849, 2944020), (7060, 2856033), (7506, 2686330), (7610, 2649618), (8340, 2417697), (9132, 2208015), (9531, 2115580), (10590, 1904022), (11415, 1766412), (12510, 1611798), (12708, 1586685), (13698, 1472010), (15012, 1343165), (15220, 1324809), (15885, 1269348), (18765, 1074532), (19062, 1057790), (20547, 981340), (21180, 952011), (22830, 883206), (25020, 805899), (27396, 736005), (31770, 634674), (34245, 588804), (37530, 537266), (38124, 528895), (41094, 490670), (45660, 441603), (47655, 423116), (49067, 410940), (63540, 317337), (68490, 294402), (75060, 268633), (82188, 245335), (95310, 211558), (98134, 205470), (102735, 196268), (105779, 190620), (136980, 147201)]