20009750395

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1\times {\mathrm{877}}^1$

素因数の和:1495

約数の個数: 32

約数和(自身を含む): 24613781760

約数和(自身を除く): 4604031365

約数列:

[1, 5, 61, 239, 305, 313, 877, 1195, 1565, 4385, 14579, 19093, 53497, 72895, 74807, 95465, 209603, 267485, 274501, 374035, 1048015, 1372505, 4563227, 12785783, 16744561, 22816135, 63928915, 65605739, 83722805, 328028695, 4001950079, 20009750395]

約数ペア:

[(1, 20009750395), (5, 4001950079), (61, 328028695), (239, 83722805), (305, 65605739), (313, 63928915), (877, 22816135), (1195, 16744561), (1565, 12785783), (4385, 4563227), (14579, 1372505), (19093, 1048015), (53497, 374035), (72895, 274501), (74807, 267485), (95465, 209603)]