20498074

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:358

約数の個数: 32

約数和(自身を含む): 33926400

約数和(自身を除く): 13428326

約数列:

[1, 2, 19, 37, 38, 61, 74, 122, 239, 478, 703, 1159, 1406, 2257, 2318, 4514, 4541, 8843, 9082, 14579, 17686, 29158, 42883, 85766, 168017, 277001, 336034, 539423, 554002, 1078846, 10249037, 20498074]

約数ペア:

[(1, 20498074), (2, 10249037), (19, 1078846), (37, 554002), (38, 539423), (61, 336034), (74, 277001), (122, 168017), (239, 85766), (478, 42883), (703, 29158), (1159, 17686), (1406, 14579), (2257, 9082), (2318, 8843), (4514, 4541)]