20194668760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{234931}}^1$

素因数の和:235256

約数の個数: 64

約数和(自身を含む): 52098520320

約数和(自身を除く): 31903851560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 307, 614, 1228, 1535, 2149, 2456, 3070, 4298, 6140, 8596, 10745, 12280, 17192, 21490, 42980, 85960, 234931, 469862, 939724, 1174655, 1644517, 1879448, 2349310, 3289034, 4698620, 6578068, 8222585, 9397240, 13156136, 16445170, 32890340, 65780680, 72123817, 144247634, 288495268, 360619085, 504866719, 576990536, 721238170, 1009733438, 1442476340, 2019466876, 2524333595, 2884952680, 4038933752, 5048667190, 10097334380, 20194668760]

約数ペア:

[(1, 20194668760), (2, 10097334380), (4, 5048667190), (5, 4038933752), (7, 2884952680), (8, 2524333595), (10, 2019466876), (14, 1442476340), (20, 1009733438), (28, 721238170), (35, 576990536), (40, 504866719), (56, 360619085), (70, 288495268), (140, 144247634), (280, 72123817), (307, 65780680), (614, 32890340), (1228, 16445170), (1535, 13156136), (2149, 9397240), (2456, 8222585), (3070, 6578068), (4298, 4698620), (6140, 3289034), (8596, 2349310), (10745, 1879448), (12280, 1644517), (17192, 1174655), (21490, 939724), (42980, 469862), (85960, 234931)]