20800598

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{563}}^1$

素因数の和:621

約数の個数: 48

約数和(自身を含む): 40506480

約数和(自身を除く): 19705882

約数列:

[1, 2, 7, 13, 14, 26, 29, 49, 58, 91, 98, 182, 203, 377, 406, 563, 637, 754, 1126, 1274, 1421, 2639, 2842, 3941, 5278, 7319, 7882, 14638, 16327, 18473, 27587, 32654, 36946, 51233, 55174, 102466, 114289, 212251, 228578, 358631, 424502, 717262, 800023, 1485757, 1600046, 2971514, 10400299, 20800598]

約数ペア:

[(1, 20800598), (2, 10400299), (7, 2971514), (13, 1600046), (14, 1485757), (26, 800023), (29, 717262), (49, 424502), (58, 358631), (91, 228578), (98, 212251), (182, 114289), (203, 102466), (377, 55174), (406, 51233), (563, 36946), (637, 32654), (754, 27587), (1126, 18473), (1274, 16327), (1421, 14638), (2639, 7882), (2842, 7319), (3941, 5278)]