20193642

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1307

約数の個数: 48

約数和(自身を含む): 50406720

約数和(自身を除く): 30213078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 139, 278, 417, 834, 973, 1153, 1251, 1946, 2306, 2502, 2919, 3459, 5838, 6918, 8071, 8757, 10377, 16142, 17514, 20754, 24213, 48426, 72639, 145278, 160267, 320534, 480801, 961602, 1121869, 1442403, 2243738, 2884806, 3365607, 6731214, 10096821, 20193642]

約数ペア:

[(1, 20193642), (2, 10096821), (3, 6731214), (6, 3365607), (7, 2884806), (9, 2243738), (14, 1442403), (18, 1121869), (21, 961602), (42, 480801), (63, 320534), (126, 160267), (139, 145278), (278, 72639), (417, 48426), (834, 24213), (973, 20754), (1153, 17514), (1251, 16142), (1946, 10377), (2306, 8757), (2502, 8071), (2919, 6918), (3459, 5838)]