20139968318920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3313}}^1\times {\mathrm{88513}}^1$

素因数の和:91955

約数の個数: 128

約数和(自身を含む): 48470740835040

約数和(自身を除く): 28330772516120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 505, 680, 808, 1010, 1717, 2020, 3313, 3434, 4040, 6626, 6868, 8585, 13252, 13736, 16565, 17170, 26504, 33130, 34340, 56321, 66260, 68680, 88513, 112642, 132520, 177026, 225284, 281605, 334613, 354052, 442565, 450568, 563210, 669226, 708104, 885130, 1126420, 1338452, 1504721, 1673065, 1770260, 2252840, 2676904, 3009442, 3346130, 3540520, 5688421, 6018884, 6692260, 7523605, 8939813, 11376842, 12037768, 13384520, 15047210, 17879626, 22753684, 28442105, 30094420, 35759252, 44699065, 45507368, 56884210, 60188840, 71518504, 89398130, 113768420, 151976821, 178796260, 227536840, 293243569, 303953642, 357592520, 586487138, 607907284, 759884105, 1172974276, 1215814568, 1466217845, 1519768210, 2345948552, 2932435690, 3039536420, 4985140673, 5864871380, 6079072840, 9970281346, 11729742760, 19940562692, 24925703365, 29617600469, 39881125384, 49851406730, 59235200938, 99702813460, 118470401876, 148088002345, 199405626920, 236940803752, 296176004690, 503499207973, 592352009380, 1006998415946, 1184704018760, 2013996831892, 2517496039865, 4027993663784, 5034992079730, 10069984159460, 20139968318920]

約数ペア:

[(1, 20139968318920), (2, 10069984159460), (4, 5034992079730), (5, 4027993663784), (8, 2517496039865), (10, 2013996831892), (17, 1184704018760), (20, 1006998415946), (34, 592352009380), (40, 503499207973), (68, 296176004690), (85, 236940803752), (101, 199405626920), (136, 148088002345), (170, 118470401876), (202, 99702813460), (340, 59235200938), (404, 49851406730), (505, 39881125384), (680, 29617600469), (808, 24925703365), (1010, 19940562692), (1717, 11729742760), (2020, 9970281346), (3313, 6079072840), (3434, 5864871380), (4040, 4985140673), (6626, 3039536420), (6868, 2932435690), (8585, 2345948552), (13252, 1519768210), (13736, 1466217845), (16565, 1215814568), (17170, 1172974276), (26504, 759884105), (33130, 607907284), (34340, 586487138), (56321, 357592520), (66260, 303953642), (68680, 293243569), (88513, 227536840), (112642, 178796260), (132520, 151976821), (177026, 113768420), (225284, 89398130), (281605, 71518504), (334613, 60188840), (354052, 56884210), (442565, 45507368), (450568, 44699065), (563210, 35759252), (669226, 30094420), (708104, 28442105), (885130, 22753684), (1126420, 17879626), (1338452, 15047210), (1504721, 13384520), (1673065, 12037768), (1770260, 11376842), (2252840, 8939813), (2676904, 7523605), (3009442, 6692260), (3346130, 6018884), (3540520, 5688421)]