20003060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 54190080

約数和(自身を除く): 34187020

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 124, 140, 154, 155, 217, 220, 308, 310, 341, 385, 419, 434, 620, 682, 770, 838, 868, 1085, 1364, 1540, 1676, 1705, 2095, 2170, 2387, 2933, 3410, 4190, 4340, 4609, 4774, 5866, 6820, 8380, 9218, 9548, 11732, 11935, 12989, 14665, 18436, 23045, 23870, 25978, 29330, 32263, 46090, 47740, 51956, 58660, 64526, 64945, 90923, 92180, 129052, 129890, 142879, 161315, 181846, 259780, 285758, 322630, 363692, 454615, 571516, 645260, 714395, 909230, 1000153, 1428790, 1818460, 2000306, 2857580, 4000612, 5000765, 10001530, 20003060]

約数ペア:

[(1, 20003060), (2, 10001530), (4, 5000765), (5, 4000612), (7, 2857580), (10, 2000306), (11, 1818460), (14, 1428790), (20, 1000153), (22, 909230), (28, 714395), (31, 645260), (35, 571516), (44, 454615), (55, 363692), (62, 322630), (70, 285758), (77, 259780), (110, 181846), (124, 161315), (140, 142879), (154, 129890), (155, 129052), (217, 92180), (220, 90923), (308, 64945), (310, 64526), (341, 58660), (385, 51956), (419, 47740), (434, 46090), (620, 32263), (682, 29330), (770, 25978), (838, 23870), (868, 23045), (1085, 18436), (1364, 14665), (1540, 12989), (1676, 11935), (1705, 11732), (2095, 9548), (2170, 9218), (2387, 8380), (2933, 6820), (3410, 5866), (4190, 4774), (4340, 4609)]