20745029996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{17299}}^1$

素因数の和:17862

約数の個数: 48

約数和(自身を含む): 39527040000

約数和(自身を除く): 18782010004

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 509, 589, 1018, 1178, 2036, 2356, 9671, 15779, 17299, 19342, 31558, 34598, 38684, 63116, 69196, 299801, 328681, 536269, 599602, 657362, 1072538, 1199204, 1314724, 2145076, 8805191, 10189111, 17610382, 20378222, 35220764, 40756444, 167298629, 272960921, 334597258, 545921842, 669194516, 1091843684, 5186257499, 10372514998, 20745029996]

約数ペア:

[(1, 20745029996), (2, 10372514998), (4, 5186257499), (19, 1091843684), (31, 669194516), (38, 545921842), (62, 334597258), (76, 272960921), (124, 167298629), (509, 40756444), (589, 35220764), (1018, 20378222), (1178, 17610382), (2036, 10189111), (2356, 8805191), (9671, 2145076), (15779, 1314724), (17299, 1199204), (19342, 1072538), (31558, 657362), (34598, 599602), (38684, 536269), (63116, 328681), (69196, 299801)]