20551419310

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{40597}}^1$

素因数の和:40729

約数の個数: 64

約数和(自身を含む): 40408326144

約数和(自身を除く): 19856906834

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 71, 115, 142, 155, 230, 310, 355, 710, 713, 1426, 1633, 2201, 3266, 3565, 4402, 7130, 8165, 11005, 16330, 22010, 40597, 50623, 81194, 101246, 202985, 253115, 405970, 506230, 933731, 1258507, 1867462, 2517014, 2882387, 4668655, 5764774, 6292535, 9337310, 12585070, 14411935, 28823870, 28945661, 57891322, 66294901, 89353997, 132589802, 144728305, 178707994, 289456610, 331474505, 446769985, 662949010, 893539970, 2055141931, 4110283862, 10275709655, 20551419310]

約数ペア:

[(1, 20551419310), (2, 10275709655), (5, 4110283862), (10, 2055141931), (23, 893539970), (31, 662949010), (46, 446769985), (62, 331474505), (71, 289456610), (115, 178707994), (142, 144728305), (155, 132589802), (230, 89353997), (310, 66294901), (355, 57891322), (710, 28945661), (713, 28823870), (1426, 14411935), (1633, 12585070), (2201, 9337310), (3266, 6292535), (3565, 5764774), (4402, 4668655), (7130, 2882387), (8165, 2517014), (11005, 1867462), (16330, 1258507), (22010, 933731), (40597, 506230), (50623, 405970), (81194, 253115), (101246, 202985)]