20634530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:339

約数の個数: 64

約数和(自身を含む): 45176832

約数和(自身を除く): 24542302

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 37, 62, 70, 74, 155, 185, 217, 257, 259, 310, 370, 434, 514, 518, 1085, 1147, 1285, 1295, 1799, 2170, 2294, 2570, 2590, 3598, 5735, 7967, 8029, 8995, 9509, 11470, 15934, 16058, 17990, 19018, 39835, 40145, 47545, 55769, 66563, 79670, 80290, 95090, 111538, 133126, 278845, 294779, 332815, 557690, 589558, 665630, 1473895, 2063453, 2947790, 4126906, 10317265, 20634530]

約数ペア:

[(1, 20634530), (2, 10317265), (5, 4126906), (7, 2947790), (10, 2063453), (14, 1473895), (31, 665630), (35, 589558), (37, 557690), (62, 332815), (70, 294779), (74, 278845), (155, 133126), (185, 111538), (217, 95090), (257, 80290), (259, 79670), (310, 66563), (370, 55769), (434, 47545), (514, 40145), (518, 39835), (1085, 19018), (1147, 17990), (1285, 16058), (1295, 15934), (1799, 11470), (2170, 9509), (2294, 8995), (2570, 8029), (2590, 7967), (3598, 5735)]