20953470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:529

約数の個数: 64

約数和(自身を含む): 52968960

約数和(自身を除く): 32015490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 43, 74, 86, 111, 129, 185, 215, 222, 258, 370, 430, 439, 555, 645, 878, 1110, 1290, 1317, 1591, 2195, 2634, 3182, 4390, 4773, 6585, 7955, 9546, 13170, 15910, 16243, 18877, 23865, 32486, 37754, 47730, 48729, 56631, 81215, 94385, 97458, 113262, 162430, 188770, 243645, 283155, 487290, 566310, 698449, 1396898, 2095347, 3492245, 4190694, 6984490, 10476735, 20953470]

約数ペア:

[(1, 20953470), (2, 10476735), (3, 6984490), (5, 4190694), (6, 3492245), (10, 2095347), (15, 1396898), (30, 698449), (37, 566310), (43, 487290), (74, 283155), (86, 243645), (111, 188770), (129, 162430), (185, 113262), (215, 97458), (222, 94385), (258, 81215), (370, 56631), (430, 48729), (439, 47730), (555, 37754), (645, 32486), (878, 23865), (1110, 18877), (1290, 16243), (1317, 15910), (1591, 13170), (2195, 9546), (2634, 7955), (3182, 6585), (4390, 4773)]