20545410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 51068160

約数和(自身を除く): 30522750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 61, 103, 109, 122, 183, 206, 218, 305, 309, 327, 366, 515, 545, 610, 618, 654, 915, 1030, 1090, 1545, 1635, 1830, 3090, 3270, 6283, 6649, 11227, 12566, 13298, 18849, 19947, 22454, 31415, 33245, 33681, 37698, 39894, 56135, 62830, 66490, 67362, 94245, 99735, 112270, 168405, 188490, 199470, 336810, 684847, 1369694, 2054541, 3424235, 4109082, 6848470, 10272705, 20545410]

約数ペア:

[(1, 20545410), (2, 10272705), (3, 6848470), (5, 4109082), (6, 3424235), (10, 2054541), (15, 1369694), (30, 684847), (61, 336810), (103, 199470), (109, 188490), (122, 168405), (183, 112270), (206, 99735), (218, 94245), (305, 67362), (309, 66490), (327, 62830), (366, 56135), (515, 39894), (545, 37698), (610, 33681), (618, 33245), (654, 31415), (915, 22454), (1030, 19947), (1090, 18849), (1545, 13298), (1635, 12566), (1830, 11227), (3090, 6649), (3270, 6283)]