20746038

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{421}}^1$

素因数の和:660

約数の個数: 32

約数和(自身を含む): 42780672

約数和(自身を除く): 22034634

約数列:

[1, 2, 3, 6, 43, 86, 129, 191, 258, 382, 421, 573, 842, 1146, 1263, 2526, 8213, 16426, 18103, 24639, 36206, 49278, 54309, 80411, 108618, 160822, 241233, 482466, 3457673, 6915346, 10373019, 20746038]

約数ペア:

[(1, 20746038), (2, 10373019), (3, 6915346), (6, 3457673), (43, 482466), (86, 241233), (129, 160822), (191, 108618), (258, 80411), (382, 54309), (421, 49278), (573, 36206), (842, 24639), (1146, 18103), (1263, 16426), (2526, 8213)]