20136489465

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1\times {\mathrm{3491}}^1$

素因数の和:4102

約数の個数: 64

約数和(自身を含む): 34904355840

約数和(自身を除く): 14767866375

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 547, 555, 703, 1641, 2109, 2735, 3491, 3515, 8205, 10393, 10473, 10545, 17455, 20239, 31179, 51965, 52365, 60717, 66329, 101195, 129167, 155895, 198987, 303585, 331645, 384541, 387501, 645835, 994935, 1153623, 1909577, 1922705, 1937505, 2454173, 5728731, 5768115, 7362519, 9547885, 12270865, 28643655, 36281963, 36812595, 70654349, 108845889, 181409815, 211963047, 353271745, 544229445, 1059815235, 1342432631, 4027297893, 6712163155, 20136489465]

約数ペア:

[(1, 20136489465), (3, 6712163155), (5, 4027297893), (15, 1342432631), (19, 1059815235), (37, 544229445), (57, 353271745), (95, 211963047), (111, 181409815), (185, 108845889), (285, 70654349), (547, 36812595), (555, 36281963), (703, 28643655), (1641, 12270865), (2109, 9547885), (2735, 7362519), (3491, 5768115), (3515, 5728731), (8205, 2454173), (10393, 1937505), (10473, 1922705), (10545, 1909577), (17455, 1153623), (20239, 994935), (31179, 645835), (51965, 387501), (52365, 384541), (60717, 331645), (66329, 303585), (101195, 198987), (129167, 155895)]