20173837385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{5807}}^1$

素因数の和:5970

約数の個数: 64

約数和(自身を含む): 28686873600

約数和(自身を除く): 8513036215

約数列:

[1, 5, 13, 19, 29, 65, 95, 97, 145, 247, 377, 485, 551, 1235, 1261, 1843, 1885, 2755, 2813, 5807, 6305, 7163, 9215, 14065, 23959, 29035, 35815, 36569, 53447, 75491, 110333, 119795, 168403, 182845, 267235, 377455, 551665, 563279, 694811, 842015, 1434329, 2189239, 2816395, 3199657, 3474055, 7171645, 7322627, 10702301, 10946195, 15998285, 16335091, 36613135, 41595541, 53511505, 81675455, 139129913, 207977705, 212356183, 310366729, 695649565, 1061780915, 1551833645, 4034767477, 20173837385]

約数ペア:

[(1, 20173837385), (5, 4034767477), (13, 1551833645), (19, 1061780915), (29, 695649565), (65, 310366729), (95, 212356183), (97, 207977705), (145, 139129913), (247, 81675455), (377, 53511505), (485, 41595541), (551, 36613135), (1235, 16335091), (1261, 15998285), (1843, 10946195), (1885, 10702301), (2755, 7322627), (2813, 7171645), (5807, 3474055), (6305, 3199657), (7163, 2816395), (9215, 2189239), (14065, 1434329), (23959, 842015), (29035, 694811), (35815, 563279), (36569, 551665), (53447, 377455), (75491, 267235), (110333, 182845), (119795, 168403)]