20984600

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1153}}^1$

素因数の和:1189

約数の個数: 96

約数和(自身を含む): 60100320

約数和(自身を除く): 39115720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 175, 182, 200, 260, 280, 325, 350, 364, 455, 520, 650, 700, 728, 910, 1153, 1300, 1400, 1820, 2275, 2306, 2600, 3640, 4550, 4612, 5765, 8071, 9100, 9224, 11530, 14989, 16142, 18200, 23060, 28825, 29978, 32284, 40355, 46120, 57650, 59956, 64568, 74945, 80710, 104923, 115300, 119912, 149890, 161420, 201775, 209846, 230600, 299780, 322840, 374725, 403550, 419692, 524615, 599560, 749450, 807100, 839384, 1049230, 1498900, 1614200, 2098460, 2623075, 2997800, 4196920, 5246150, 10492300, 20984600]

約数ペア:

[(1, 20984600), (2, 10492300), (4, 5246150), (5, 4196920), (7, 2997800), (8, 2623075), (10, 2098460), (13, 1614200), (14, 1498900), (20, 1049230), (25, 839384), (26, 807100), (28, 749450), (35, 599560), (40, 524615), (50, 419692), (52, 403550), (56, 374725), (65, 322840), (70, 299780), (91, 230600), (100, 209846), (104, 201775), (130, 161420), (140, 149890), (175, 119912), (182, 115300), (200, 104923), (260, 80710), (280, 74945), (325, 64568), (350, 59956), (364, 57650), (455, 46120), (520, 40355), (650, 32284), (700, 29978), (728, 28825), (910, 23060), (1153, 18200), (1300, 16142), (1400, 14989), (1820, 11530), (2275, 9224), (2306, 9100), (2600, 8071), (3640, 5765), (4550, 4612)]