20106721020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{233}}^1\times {\mathrm{10979}}^1$

素因数の和:11355

約数の個数: 96

約数和(自身を含む): 56977240320

約数和(自身を除く): 36870519300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 131, 233, 262, 393, 466, 524, 655, 699, 786, 932, 1165, 1310, 1398, 1572, 1965, 2330, 2620, 2796, 3495, 3930, 4660, 6990, 7860, 10979, 13980, 21958, 30523, 32937, 43916, 54895, 61046, 65874, 91569, 109790, 122092, 131748, 152615, 164685, 183138, 219580, 305230, 329370, 366276, 457845, 610460, 658740, 915690, 1438249, 1831380, 2558107, 2876498, 4314747, 5116214, 5752996, 7191245, 7674321, 8629494, 10232428, 12790535, 14382490, 15348642, 17258988, 21573735, 25581070, 28764980, 30697284, 38371605, 43147470, 51162140, 76743210, 86294940, 153486420, 335112017, 670224034, 1005336051, 1340448068, 1675560085, 2010672102, 3351120170, 4021344204, 5026680255, 6702240340, 10053360510, 20106721020]

約数ペア:

[(1, 20106721020), (2, 10053360510), (3, 6702240340), (4, 5026680255), (5, 4021344204), (6, 3351120170), (10, 2010672102), (12, 1675560085), (15, 1340448068), (20, 1005336051), (30, 670224034), (60, 335112017), (131, 153486420), (233, 86294940), (262, 76743210), (393, 51162140), (466, 43147470), (524, 38371605), (655, 30697284), (699, 28764980), (786, 25581070), (932, 21573735), (1165, 17258988), (1310, 15348642), (1398, 14382490), (1572, 12790535), (1965, 10232428), (2330, 8629494), (2620, 7674321), (2796, 7191245), (3495, 5752996), (3930, 5116214), (4660, 4314747), (6990, 2876498), (7860, 2558107), (10979, 1831380), (13980, 1438249), (21958, 915690), (30523, 658740), (32937, 610460), (43916, 457845), (54895, 366276), (61046, 329370), (65874, 305230), (91569, 219580), (109790, 183138), (122092, 164685), (131748, 152615)]