20209672448

素因数分解:

$2^8\times 7^1\times {\mathrm{3251}}^1\times {\mathrm{3469}}^1$

素因数の和:6743

約数の個数: 72

約数和(自身を含む): 46130790720

約数和(自身を除く): 25921118272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 3251, 3469, 6502, 6938, 13004, 13876, 22757, 24283, 26008, 27752, 45514, 48566, 52016, 55504, 91028, 97132, 104032, 111008, 182056, 194264, 208064, 222016, 364112, 388528, 416128, 444032, 728224, 777056, 832256, 888064, 1456448, 1554112, 2912896, 3108224, 5825792, 6216448, 11277719, 22555438, 45110876, 78944033, 90221752, 157888066, 180443504, 315776132, 360887008, 631552264, 721774016, 1263104528, 1443548032, 2526209056, 2887096064, 5052418112, 10104836224, 20209672448]

約数ペア:

[(1, 20209672448), (2, 10104836224), (4, 5052418112), (7, 2887096064), (8, 2526209056), (14, 1443548032), (16, 1263104528), (28, 721774016), (32, 631552264), (56, 360887008), (64, 315776132), (112, 180443504), (128, 157888066), (224, 90221752), (256, 78944033), (448, 45110876), (896, 22555438), (1792, 11277719), (3251, 6216448), (3469, 5825792), (6502, 3108224), (6938, 2912896), (13004, 1554112), (13876, 1456448), (22757, 888064), (24283, 832256), (26008, 777056), (27752, 728224), (45514, 444032), (48566, 416128), (52016, 388528), (55504, 364112), (91028, 222016), (97132, 208064), (104032, 194264), (111008, 182056)]