20807324536

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{160481}}^1$

素因数の和:161359

約数の個数: 32

約数和(自身を含む): 41115488400

約数和(自身を除く): 20308163864

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 853, 1706, 3412, 6824, 16207, 32414, 64828, 129656, 160481, 320962, 641924, 1283848, 3049139, 6098278, 12196556, 24393112, 136890293, 273780586, 547561172, 1095122344, 2600915567, 5201831134, 10403662268, 20807324536]

約数ペア:

[(1, 20807324536), (2, 10403662268), (4, 5201831134), (8, 2600915567), (19, 1095122344), (38, 547561172), (76, 273780586), (152, 136890293), (853, 24393112), (1706, 12196556), (3412, 6098278), (6824, 3049139), (16207, 1283848), (32414, 641924), (64828, 320962), (129656, 160481)]