20245472

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1187}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 44008272

約数和(自身を除く): 23762800

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 208, 328, 416, 533, 656, 1066, 1187, 1312, 2132, 2374, 4264, 4748, 8528, 9496, 15431, 17056, 18992, 30862, 37984, 48667, 61724, 97334, 123448, 194668, 246896, 389336, 493792, 632671, 778672, 1265342, 1557344, 2530684, 5061368, 10122736, 20245472]

約数ペア:

[(1, 20245472), (2, 10122736), (4, 5061368), (8, 2530684), (13, 1557344), (16, 1265342), (26, 778672), (32, 632671), (41, 493792), (52, 389336), (82, 246896), (104, 194668), (164, 123448), (208, 97334), (328, 61724), (416, 48667), (533, 37984), (656, 30862), (1066, 18992), (1187, 17056), (1312, 15431), (2132, 9496), (2374, 8528), (4264, 4748)]