20448461305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{1459}}^1$

素因数の和:1678

約数の個数: 64

約数和(自身を含む): 27792046080

約数和(自身を除く): 7343584775

約数列:

[1, 5, 17, 23, 67, 85, 107, 115, 335, 391, 535, 1139, 1459, 1541, 1819, 1955, 2461, 5695, 7169, 7295, 7705, 9095, 12305, 24803, 26197, 33557, 35845, 41837, 97753, 121873, 124015, 130985, 156113, 164887, 167785, 209185, 488765, 570469, 609365, 780565, 824435, 1661801, 2248319, 2653921, 2803079, 2852345, 3590599, 8309005, 10459571, 11241595, 13269605, 14015395, 17952995, 38221423, 52297855, 61040183, 177812707, 191107115, 240570133, 305200915, 889063535, 1202850665, 4089692261, 20448461305]

約数ペア:

[(1, 20448461305), (5, 4089692261), (17, 1202850665), (23, 889063535), (67, 305200915), (85, 240570133), (107, 191107115), (115, 177812707), (335, 61040183), (391, 52297855), (535, 38221423), (1139, 17952995), (1459, 14015395), (1541, 13269605), (1819, 11241595), (1955, 10459571), (2461, 8309005), (5695, 3590599), (7169, 2852345), (7295, 2803079), (7705, 2653921), (9095, 2248319), (12305, 1661801), (24803, 824435), (26197, 780565), (33557, 609365), (35845, 570469), (41837, 488765), (97753, 209185), (121873, 167785), (124015, 164887), (130985, 156113)]