20954368188

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{668273}}^1$

素因数の和:668363

約数の個数: 72

約数和(自身を含む): 57893913168

約数和(自身を除く): 36939544980

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 67, 78, 117, 134, 156, 201, 234, 268, 402, 468, 603, 804, 871, 1206, 1742, 2412, 2613, 3484, 5226, 7839, 10452, 15678, 31356, 668273, 1336546, 2004819, 2673092, 4009638, 6014457, 8019276, 8687549, 12028914, 17375098, 24057828, 26062647, 34750196, 44774291, 52125294, 78187941, 89548582, 104250588, 134322873, 156375882, 179097164, 268645746, 312751764, 402968619, 537291492, 582065783, 805937238, 1164131566, 1611874476, 1746197349, 2328263132, 3492394698, 5238592047, 6984789396, 10477184094, 20954368188]

約数ペア:

[(1, 20954368188), (2, 10477184094), (3, 6984789396), (4, 5238592047), (6, 3492394698), (9, 2328263132), (12, 1746197349), (13, 1611874476), (18, 1164131566), (26, 805937238), (36, 582065783), (39, 537291492), (52, 402968619), (67, 312751764), (78, 268645746), (117, 179097164), (134, 156375882), (156, 134322873), (201, 104250588), (234, 89548582), (268, 78187941), (402, 52125294), (468, 44774291), (603, 34750196), (804, 26062647), (871, 24057828), (1206, 17375098), (1742, 12028914), (2412, 8687549), (2613, 8019276), (3484, 6014457), (5226, 4009638), (7839, 2673092), (10452, 2004819), (15678, 1336546), (31356, 668273)]