20719126260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1543}}^1\times {\mathrm{10657}}^1$

素因数の和:12222

約数の個数: 144

約数和(自身を含む): 71879598336

約数和(自身を除く): 51160472076

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1543, 3086, 4629, 6172, 7715, 9258, 10657, 10801, 13887, 15430, 18516, 21314, 21602, 23145, 27774, 30860, 31971, 32403, 42628, 43204, 46290, 53285, 54005, 55548, 63942, 64806, 69435, 74599, 92580, 95913, 97209, 106570, 108010, 127884, 129612, 138870, 149198, 159855, 162015, 191826, 194418, 213140, 216020, 223797, 277740, 298396, 319710, 324030, 372995, 383652, 388836, 447594, 479565, 486045, 639420, 648060, 671391, 745990, 895188, 959130, 972090, 1118985, 1342782, 1491980, 1918260, 1944180, 2237970, 2685564, 3356955, 4475940, 6713910, 13427820, 16443751, 32887502, 49331253, 65775004, 82218755, 98662506, 115106257, 147993759, 164437510, 197325012, 230212514, 246656265, 295987518, 328875020, 345318771, 460425028, 493312530, 575531285, 591975036, 690637542, 739968795, 986625060, 1035956313, 1151062570, 1381275084, 1479937590, 1726593855, 2071912626, 2302125140, 2959875180, 3453187710, 4143825252, 5179781565, 6906375420, 10359563130, 20719126260]

約数ペア:

[(1, 20719126260), (2, 10359563130), (3, 6906375420), (4, 5179781565), (5, 4143825252), (6, 3453187710), (7, 2959875180), (9, 2302125140), (10, 2071912626), (12, 1726593855), (14, 1479937590), (15, 1381275084), (18, 1151062570), (20, 1035956313), (21, 986625060), (28, 739968795), (30, 690637542), (35, 591975036), (36, 575531285), (42, 493312530), (45, 460425028), (60, 345318771), (63, 328875020), (70, 295987518), (84, 246656265), (90, 230212514), (105, 197325012), (126, 164437510), (140, 147993759), (180, 115106257), (210, 98662506), (252, 82218755), (315, 65775004), (420, 49331253), (630, 32887502), (1260, 16443751), (1543, 13427820), (3086, 6713910), (4629, 4475940), (6172, 3356955), (7715, 2685564), (9258, 2237970), (10657, 1944180), (10801, 1918260), (13887, 1491980), (15430, 1342782), (18516, 1118985), (21314, 972090), (21602, 959130), (23145, 895188), (27774, 745990), (30860, 671391), (31971, 648060), (32403, 639420), (42628, 486045), (43204, 479565), (46290, 447594), (53285, 388836), (54005, 383652), (55548, 372995), (63942, 324030), (64806, 319710), (69435, 298396), (74599, 277740), (92580, 223797), (95913, 216020), (97209, 213140), (106570, 194418), (108010, 191826), (127884, 162015), (129612, 159855), (138870, 149198)]