20199012498

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{389}}^1\times {\mathrm{137369}}^1$

素因数の和:137776

約数の個数: 64

約数和(自身を含む): 51431328000

約数和(自身を除く): 31232315502

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 389, 778, 1167, 2334, 2723, 3501, 5446, 7002, 8169, 10503, 16338, 21006, 24507, 49014, 73521, 137369, 147042, 274738, 412107, 824214, 961583, 1236321, 1923166, 2472642, 2884749, 3708963, 5769498, 7417926, 8654247, 17308494, 25962741, 51925482, 53436541, 106873082, 160309623, 320619246, 374055787, 480928869, 748111574, 961857738, 1122167361, 1442786607, 2244334722, 2885573214, 3366502083, 6733004166, 10099506249, 20199012498]

約数ペア:

[(1, 20199012498), (2, 10099506249), (3, 6733004166), (6, 3366502083), (7, 2885573214), (9, 2244334722), (14, 1442786607), (18, 1122167361), (21, 961857738), (27, 748111574), (42, 480928869), (54, 374055787), (63, 320619246), (126, 160309623), (189, 106873082), (378, 53436541), (389, 51925482), (778, 25962741), (1167, 17308494), (2334, 8654247), (2723, 7417926), (3501, 5769498), (5446, 3708963), (7002, 2884749), (8169, 2472642), (10503, 1923166), (16338, 1236321), (21006, 961583), (24507, 824214), (49014, 412107), (73521, 274738), (137369, 147042)]