20801976

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1093}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 56975520

約数和(自身を除く): 36173544

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 61, 78, 104, 122, 156, 183, 244, 312, 366, 488, 732, 793, 1093, 1464, 1586, 2186, 2379, 3172, 3279, 4372, 4758, 6344, 6558, 8744, 9516, 13116, 14209, 19032, 26232, 28418, 42627, 56836, 66673, 85254, 113672, 133346, 170508, 200019, 266692, 341016, 400038, 533384, 800076, 866749, 1600152, 1733498, 2600247, 3466996, 5200494, 6933992, 10400988, 20801976]

約数ペア:

[(1, 20801976), (2, 10400988), (3, 6933992), (4, 5200494), (6, 3466996), (8, 2600247), (12, 1733498), (13, 1600152), (24, 866749), (26, 800076), (39, 533384), (52, 400038), (61, 341016), (78, 266692), (104, 200019), (122, 170508), (156, 133346), (183, 113672), (244, 85254), (312, 66673), (366, 56836), (488, 42627), (732, 28418), (793, 26232), (1093, 19032), (1464, 14209), (1586, 13116), (2186, 9516), (2379, 8744), (3172, 6558), (3279, 6344), (4372, 4758)]