20017503828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{200087}}^1$

素因数の和:200501

約数の個数: 72

約数和(自身を含む): 57974297472

約数和(自身を除く): 37956793644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 397, 794, 1191, 1588, 2382, 2779, 3573, 4764, 5558, 7146, 8337, 11116, 14292, 16674, 25011, 33348, 50022, 100044, 200087, 400174, 600261, 800348, 1200522, 1400609, 1800783, 2401044, 2801218, 3601566, 4201827, 5602436, 7203132, 8403654, 12605481, 16807308, 25210962, 50421924, 79434539, 158869078, 238303617, 317738156, 476607234, 556041773, 714910851, 953214468, 1112083546, 1429821702, 1668125319, 2224167092, 2859643404, 3336250638, 5004375957, 6672501276, 10008751914, 20017503828]

約数ペア:

[(1, 20017503828), (2, 10008751914), (3, 6672501276), (4, 5004375957), (6, 3336250638), (7, 2859643404), (9, 2224167092), (12, 1668125319), (14, 1429821702), (18, 1112083546), (21, 953214468), (28, 714910851), (36, 556041773), (42, 476607234), (63, 317738156), (84, 238303617), (126, 158869078), (252, 79434539), (397, 50421924), (794, 25210962), (1191, 16807308), (1588, 12605481), (2382, 8403654), (2779, 7203132), (3573, 5602436), (4764, 4201827), (5558, 3601566), (7146, 2801218), (8337, 2401044), (11116, 1800783), (14292, 1400609), (16674, 1200522), (25011, 800348), (33348, 600261), (50022, 400174), (100044, 200087)]