20800408804

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{624787}}^1$

素因数の和:624868

約数の個数: 48

約数和(自身を含む): 44085041280

約数和(自身を除く): 23284632476

約数列:

[1, 2, 4, 7, 14, 28, 29, 41, 58, 82, 116, 164, 203, 287, 406, 574, 812, 1148, 1189, 2378, 4756, 8323, 16646, 33292, 624787, 1249574, 2499148, 4373509, 8747018, 17494036, 18118823, 25616267, 36237646, 51232534, 72475292, 102465068, 126831761, 179313869, 253663522, 358627738, 507327044, 717255476, 742871743, 1485743486, 2971486972, 5200102201, 10400204402, 20800408804]

約数ペア:

[(1, 20800408804), (2, 10400204402), (4, 5200102201), (7, 2971486972), (14, 1485743486), (28, 742871743), (29, 717255476), (41, 507327044), (58, 358627738), (82, 253663522), (116, 179313869), (164, 126831761), (203, 102465068), (287, 72475292), (406, 51232534), (574, 36237646), (812, 25616267), (1148, 18118823), (1189, 17494036), (2378, 8747018), (4756, 4373509), (8323, 2499148), (16646, 1249574), (33292, 624787)]