20195701740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1637}}^1\times {\mathrm{68539}}^1$

素因数の和:70191

約数の個数: 72

約数和(自身を含む): 61298611920

約数和(自身を除く): 41102910180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1637, 3274, 4911, 6548, 8185, 9822, 14733, 16370, 19644, 24555, 29466, 32740, 49110, 58932, 68539, 73665, 98220, 137078, 147330, 205617, 274156, 294660, 342695, 411234, 616851, 685390, 822468, 1028085, 1233702, 1370780, 2056170, 2467404, 3084255, 4112340, 6168510, 12337020, 112198343, 224396686, 336595029, 448793372, 560991715, 673190058, 1009785087, 1121983430, 1346380116, 1682975145, 2019570174, 2243966860, 3365950290, 4039140348, 5048925435, 6731900580, 10097850870, 20195701740]

約数ペア:

[(1, 20195701740), (2, 10097850870), (3, 6731900580), (4, 5048925435), (5, 4039140348), (6, 3365950290), (9, 2243966860), (10, 2019570174), (12, 1682975145), (15, 1346380116), (18, 1121983430), (20, 1009785087), (30, 673190058), (36, 560991715), (45, 448793372), (60, 336595029), (90, 224396686), (180, 112198343), (1637, 12337020), (3274, 6168510), (4911, 4112340), (6548, 3084255), (8185, 2467404), (9822, 2056170), (14733, 1370780), (16370, 1233702), (19644, 1028085), (24555, 822468), (29466, 685390), (32740, 616851), (49110, 411234), (58932, 342695), (68539, 294660), (73665, 274156), (98220, 205617), (137078, 147330)]