20287332

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 56137536

約数和(自身を除く): 35850204

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, 647, 804, 871, 1206, 1294, 1742, 1941, 2412, 2588, 2613, 3484, 3882, 5226, 5823, 7764, 7839, 8411, 10452, 11646, 15678, 16822, 23292, 25233, 31356, 33644, 43349, 50466, 75699, 86698, 100932, 130047, 151398, 173396, 260094, 302796, 390141, 520188, 563537, 780282, 1127074, 1560564, 1690611, 2254148, 3381222, 5071833, 6762444, 10143666, 20287332]

約数ペア:

[(1, 20287332), (2, 10143666), (3, 6762444), (4, 5071833), (6, 3381222), (9, 2254148), (12, 1690611), (13, 1560564), (18, 1127074), (26, 780282), (36, 563537), (39, 520188), (52, 390141), (67, 302796), (78, 260094), (117, 173396), (134, 151398), (156, 130047), (201, 100932), (234, 86698), (268, 75699), (402, 50466), (468, 43349), (603, 33644), (647, 31356), (804, 25233), (871, 23292), (1206, 16822), (1294, 15678), (1742, 11646), (1941, 10452), (2412, 8411), (2588, 7839), (2613, 7764), (3484, 5823), (3882, 5226)]