20888973056

素因数分解:

$2^8\times 7^1\times {\mathrm{433}}^1\times {\mathrm{26921}}^1$

素因数の和:27377

約数の個数: 72

約数和(自身を含む): 47764797024

約数和(自身を除く): 26875823968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 433, 448, 866, 896, 1732, 1792, 3031, 3464, 6062, 6928, 12124, 13856, 24248, 26921, 27712, 48496, 53842, 55424, 96992, 107684, 110848, 188447, 193984, 215368, 376894, 387968, 430736, 753788, 775936, 861472, 1507576, 1722944, 3015152, 3445888, 6030304, 6891776, 11656793, 12060608, 23313586, 24121216, 46627172, 48242432, 81597551, 93254344, 163195102, 186508688, 326390204, 373017376, 652780408, 746034752, 1305560816, 1492069504, 2611121632, 2984139008, 5222243264, 10444486528, 20888973056]

約数ペア:

[(1, 20888973056), (2, 10444486528), (4, 5222243264), (7, 2984139008), (8, 2611121632), (14, 1492069504), (16, 1305560816), (28, 746034752), (32, 652780408), (56, 373017376), (64, 326390204), (112, 186508688), (128, 163195102), (224, 93254344), (256, 81597551), (433, 48242432), (448, 46627172), (866, 24121216), (896, 23313586), (1732, 12060608), (1792, 11656793), (3031, 6891776), (3464, 6030304), (6062, 3445888), (6928, 3015152), (12124, 1722944), (13856, 1507576), (24248, 861472), (26921, 775936), (27712, 753788), (48496, 430736), (53842, 387968), (55424, 376894), (96992, 215368), (107684, 193984), (110848, 188447)]