20163940740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{523}}^1\times {\mathrm{7933}}^1$

素因数の和:8480

約数の個数: 144

約数和(自身を含む): 63558575808

約数和(自身を除く): 43394635068

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 523, 540, 810, 972, 1046, 1215, 1569, 1620, 2092, 2430, 2615, 3138, 4707, 4860, 5230, 6276, 7845, 7933, 9414, 10460, 14121, 15690, 15866, 18828, 23535, 23799, 28242, 31380, 31732, 39665, 42363, 47070, 47598, 56484, 70605, 71397, 79330, 84726, 94140, 95196, 118995, 127089, 141210, 142794, 158660, 169452, 211815, 214191, 237990, 254178, 282420, 285588, 356985, 423630, 428382, 475980, 508356, 635445, 642573, 713970, 847260, 856764, 1070955, 1270890, 1285146, 1427940, 1927719, 2141910, 2541780, 2570292, 3212865, 3855438, 4148959, 4283820, 6425730, 7710876, 8297918, 9638595, 12446877, 12851460, 16595836, 19277190, 20744795, 24893754, 37340631, 38554380, 41489590, 49787508, 62234385, 74681262, 82979180, 112021893, 124468770, 149362524, 186703155, 224043786, 248937540, 336065679, 373406310, 448087572, 560109465, 672131358, 746812620, 1008197037, 1120218930, 1344262716, 1680328395, 2016394074, 2240437860, 3360656790, 4032788148, 5040985185, 6721313580, 10081970370, 20163940740]

約数ペア:

[(1, 20163940740), (2, 10081970370), (3, 6721313580), (4, 5040985185), (5, 4032788148), (6, 3360656790), (9, 2240437860), (10, 2016394074), (12, 1680328395), (15, 1344262716), (18, 1120218930), (20, 1008197037), (27, 746812620), (30, 672131358), (36, 560109465), (45, 448087572), (54, 373406310), (60, 336065679), (81, 248937540), (90, 224043786), (108, 186703155), (135, 149362524), (162, 124468770), (180, 112021893), (243, 82979180), (270, 74681262), (324, 62234385), (405, 49787508), (486, 41489590), (523, 38554380), (540, 37340631), (810, 24893754), (972, 20744795), (1046, 19277190), (1215, 16595836), (1569, 12851460), (1620, 12446877), (2092, 9638595), (2430, 8297918), (2615, 7710876), (3138, 6425730), (4707, 4283820), (4860, 4148959), (5230, 3855438), (6276, 3212865), (7845, 2570292), (7933, 2541780), (9414, 2141910), (10460, 1927719), (14121, 1427940), (15690, 1285146), (15866, 1270890), (18828, 1070955), (23535, 856764), (23799, 847260), (28242, 713970), (31380, 642573), (31732, 635445), (39665, 508356), (42363, 475980), (47070, 428382), (47598, 423630), (56484, 356985), (70605, 285588), (71397, 282420), (79330, 254178), (84726, 237990), (94140, 214191), (95196, 211815), (118995, 169452), (127089, 158660), (141210, 142794)]