20029400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 50822640

約数和(自身を除く): 30793240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 43, 50, 68, 85, 86, 100, 136, 137, 170, 172, 200, 215, 274, 340, 344, 425, 430, 548, 680, 685, 731, 850, 860, 1075, 1096, 1370, 1462, 1700, 1720, 2150, 2329, 2740, 2924, 3400, 3425, 3655, 4300, 4658, 5480, 5848, 5891, 6850, 7310, 8600, 9316, 11645, 11782, 13700, 14620, 18275, 18632, 23290, 23564, 27400, 29240, 29455, 36550, 46580, 47128, 58225, 58910, 73100, 93160, 100147, 116450, 117820, 146200, 147275, 200294, 232900, 235640, 294550, 400588, 465800, 500735, 589100, 801176, 1001470, 1178200, 2002940, 2503675, 4005880, 5007350, 10014700, 20029400]

約数ペア:

[(1, 20029400), (2, 10014700), (4, 5007350), (5, 4005880), (8, 2503675), (10, 2002940), (17, 1178200), (20, 1001470), (25, 801176), (34, 589100), (40, 500735), (43, 465800), (50, 400588), (68, 294550), (85, 235640), (86, 232900), (100, 200294), (136, 147275), (137, 146200), (170, 117820), (172, 116450), (200, 100147), (215, 93160), (274, 73100), (340, 58910), (344, 58225), (425, 47128), (430, 46580), (548, 36550), (680, 29455), (685, 29240), (731, 27400), (850, 23564), (860, 23290), (1075, 18632), (1096, 18275), (1370, 14620), (1462, 13700), (1700, 11782), (1720, 11645), (2150, 9316), (2329, 8600), (2740, 7310), (2924, 6850), (3400, 5891), (3425, 5848), (3655, 5480), (4300, 4658)]