20077894676

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{809}}^1\times {\mathrm{3067}}^1$

素因数の和:3921

約数の個数: 72

約数和(自身を含む): 42723495360

約数和(自身を除く): 22645600684

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 809, 1156, 1618, 2023, 3067, 3236, 4046, 5663, 6134, 8092, 11326, 12268, 13753, 21469, 22652, 27506, 42938, 52139, 55012, 85876, 96271, 104278, 192542, 208556, 233801, 364973, 385084, 467602, 729946, 886363, 935204, 1459892, 1636607, 1772726, 2481203, 3273214, 3545452, 4962406, 6204541, 6546428, 9924812, 12409082, 17368421, 24818164, 34736842, 42180451, 69473684, 84360902, 168721804, 295263157, 590526314, 717067667, 1181052628, 1434135334, 2868270668, 5019473669, 10038947338, 20077894676]

約数ペア:

[(1, 20077894676), (2, 10038947338), (4, 5019473669), (7, 2868270668), (14, 1434135334), (17, 1181052628), (28, 717067667), (34, 590526314), (68, 295263157), (119, 168721804), (238, 84360902), (289, 69473684), (476, 42180451), (578, 34736842), (809, 24818164), (1156, 17368421), (1618, 12409082), (2023, 9924812), (3067, 6546428), (3236, 6204541), (4046, 4962406), (5663, 3545452), (6134, 3273214), (8092, 2481203), (11326, 1772726), (12268, 1636607), (13753, 1459892), (21469, 935204), (22652, 886363), (27506, 729946), (42938, 467602), (52139, 385084), (55012, 364973), (85876, 233801), (96271, 208556), (104278, 192542)]