20999405460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{5581}}^1\times {\mathrm{5701}}^1$

素因数の和:11305

約数の個数: 96

約数和(自身を含む): 64166385024

約数和(自身を除く): 43166979564

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 5581, 5701, 11162, 11402, 16743, 17103, 22324, 22804, 27905, 28505, 33486, 34206, 55810, 57010, 61391, 62711, 66972, 68412, 83715, 85515, 111620, 114020, 122782, 125422, 167430, 171030, 184173, 188133, 245564, 250844, 306955, 313555, 334860, 342060, 368346, 376266, 613910, 627110, 736692, 752532, 920865, 940665, 1227820, 1254220, 1841730, 1881330, 3683460, 3762660, 31817281, 63634562, 95451843, 127269124, 159086405, 190903686, 318172810, 349990091, 381807372, 477259215, 636345620, 699980182, 954518430, 1049970273, 1399960364, 1749950455, 1909036860, 2099940546, 3499900910, 4199881092, 5249851365, 6999801820, 10499702730, 20999405460]

約数ペア:

[(1, 20999405460), (2, 10499702730), (3, 6999801820), (4, 5249851365), (5, 4199881092), (6, 3499900910), (10, 2099940546), (11, 1909036860), (12, 1749950455), (15, 1399960364), (20, 1049970273), (22, 954518430), (30, 699980182), (33, 636345620), (44, 477259215), (55, 381807372), (60, 349990091), (66, 318172810), (110, 190903686), (132, 159086405), (165, 127269124), (220, 95451843), (330, 63634562), (660, 31817281), (5581, 3762660), (5701, 3683460), (11162, 1881330), (11402, 1841730), (16743, 1254220), (17103, 1227820), (22324, 940665), (22804, 920865), (27905, 752532), (28505, 736692), (33486, 627110), (34206, 613910), (55810, 376266), (57010, 368346), (61391, 342060), (62711, 334860), (66972, 313555), (68412, 306955), (83715, 250844), (85515, 245564), (111620, 188133), (114020, 184173), (122782, 171030), (125422, 167430)]