20163372850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1\times {\mathrm{787}}^1$

素因数の和:1148

約数の個数: 96

約数和(自身を含む): 40013064000

約数和(自身を除く): 19849691150

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 149, 181, 190, 298, 362, 475, 745, 787, 905, 950, 1490, 1574, 1810, 2831, 3439, 3725, 3935, 4525, 5662, 6878, 7450, 7870, 9050, 14155, 14953, 17195, 19675, 26969, 28310, 29906, 34390, 39350, 53938, 70775, 74765, 85975, 117263, 134845, 141550, 142447, 149530, 171950, 234526, 269690, 284894, 373825, 512411, 586315, 674225, 712235, 747650, 1024822, 1172630, 1348450, 1424470, 2227997, 2562055, 2706493, 2931575, 3561175, 4455994, 5124110, 5412986, 5863150, 7122350, 11139985, 12810275, 13532465, 21224603, 22279970, 25620550, 27064930, 42449206, 55699925, 67662325, 106123015, 111399850, 135324650, 212246030, 403267457, 530615075, 806534914, 1061230150, 2016337285, 4032674570, 10081686425, 20163372850]

約数ペア:

[(1, 20163372850), (2, 10081686425), (5, 4032674570), (10, 2016337285), (19, 1061230150), (25, 806534914), (38, 530615075), (50, 403267457), (95, 212246030), (149, 135324650), (181, 111399850), (190, 106123015), (298, 67662325), (362, 55699925), (475, 42449206), (745, 27064930), (787, 25620550), (905, 22279970), (950, 21224603), (1490, 13532465), (1574, 12810275), (1810, 11139985), (2831, 7122350), (3439, 5863150), (3725, 5412986), (3935, 5124110), (4525, 4455994), (5662, 3561175), (6878, 2931575), (7450, 2706493), (7870, 2562055), (9050, 2227997), (14155, 1424470), (14953, 1348450), (17195, 1172630), (19675, 1024822), (26969, 747650), (28310, 712235), (29906, 674225), (34390, 586315), (39350, 512411), (53938, 373825), (70775, 284894), (74765, 269690), (85975, 234526), (117263, 171950), (134845, 149530), (141550, 142447)]