20438367078

素因数分解:

$2^1\times 3^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{28979}}^1$

素因数の和:29133

約数の個数: 64

約数和(自身を含む): 43467217920

約数和(自身を除く): 23028850842

約数列:

[1, 2, 3, 6, 41, 47, 61, 82, 94, 122, 123, 141, 183, 246, 282, 366, 1927, 2501, 2867, 3854, 5002, 5734, 5781, 7503, 8601, 11562, 15006, 17202, 28979, 57958, 86937, 117547, 173874, 235094, 352641, 705282, 1188139, 1362013, 1767719, 2376278, 2724026, 3535438, 3564417, 4086039, 5303157, 7128834, 8172078, 10606314, 55842533, 72476479, 83082793, 111685066, 144952958, 166165586, 167527599, 217429437, 249248379, 335055198, 434858874, 498496758, 3406394513, 6812789026, 10219183539, 20438367078]

約数ペア:

[(1, 20438367078), (2, 10219183539), (3, 6812789026), (6, 3406394513), (41, 498496758), (47, 434858874), (61, 335055198), (82, 249248379), (94, 217429437), (122, 167527599), (123, 166165586), (141, 144952958), (183, 111685066), (246, 83082793), (282, 72476479), (366, 55842533), (1927, 10606314), (2501, 8172078), (2867, 7128834), (3854, 5303157), (5002, 4086039), (5734, 3564417), (5781, 3535438), (7503, 2724026), (8601, 2376278), (11562, 1767719), (15006, 1362013), (17202, 1188139), (28979, 705282), (57958, 352641), (86937, 235094), (117547, 173874)]