20801013952

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1006241}}^1$

素因数の和:1006289

約数の個数: 56

約数和(自身を含む): 46005384240

約数和(自身を除く): 25204370288

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1088, 1216, 1292, 2584, 5168, 10336, 20672, 1006241, 2012482, 4024964, 8049928, 16099856, 17106097, 19118579, 32199712, 34212194, 38237158, 64399424, 68424388, 76474316, 136848776, 152948632, 273697552, 305897264, 325015843, 547395104, 611794528, 650031686, 1094790208, 1223589056, 1300063372, 2600126744, 5200253488, 10400506976, 20801013952]

約数ペア:

[(1, 20801013952), (2, 10400506976), (4, 5200253488), (8, 2600126744), (16, 1300063372), (17, 1223589056), (19, 1094790208), (32, 650031686), (34, 611794528), (38, 547395104), (64, 325015843), (68, 305897264), (76, 273697552), (136, 152948632), (152, 136848776), (272, 76474316), (304, 68424388), (323, 64399424), (544, 38237158), (608, 34212194), (646, 32199712), (1088, 19118579), (1216, 17106097), (1292, 16099856), (2584, 8049928), (5168, 4024964), (10336, 2012482), (20672, 1006241)]