20135036915

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{487}}^1\times {\mathrm{787}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 29532979200

約数和(自身を除く): 9397942285

約数列:

[1, 5, 7, 19, 35, 79, 95, 133, 395, 487, 553, 665, 787, 1501, 2435, 2765, 3409, 3935, 5509, 7505, 9253, 10507, 14953, 17045, 27545, 38473, 46265, 52535, 62173, 64771, 74765, 104671, 192365, 269311, 310865, 323855, 383269, 435211, 523355, 730987, 1181287, 1346555, 1916345, 2176055, 2682883, 3654935, 5116909, 5906435, 7282111, 8269009, 13414415, 25584545, 30278251, 36410555, 41345045, 50974777, 151391255, 211947757, 254873885, 575286769, 1059738785, 2876433845, 4027007383, 20135036915]

約数ペア:

[(1, 20135036915), (5, 4027007383), (7, 2876433845), (19, 1059738785), (35, 575286769), (79, 254873885), (95, 211947757), (133, 151391255), (395, 50974777), (487, 41345045), (553, 36410555), (665, 30278251), (787, 25584545), (1501, 13414415), (2435, 8269009), (2765, 7282111), (3409, 5906435), (3935, 5116909), (5509, 3654935), (7505, 2682883), (9253, 2176055), (10507, 1916345), (14953, 1346555), (17045, 1181287), (27545, 730987), (38473, 523355), (46265, 435211), (52535, 383269), (62173, 323855), (64771, 310865), (74765, 269311), (104671, 192365)]