20239284

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{947}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 51283008

約数和(自身を除く): 31043724

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 137, 156, 274, 411, 548, 822, 947, 1644, 1781, 1894, 2841, 3562, 3788, 5343, 5682, 7124, 10686, 11364, 12311, 21372, 24622, 36933, 49244, 73866, 129739, 147732, 259478, 389217, 518956, 778434, 1556868, 1686607, 3373214, 5059821, 6746428, 10119642, 20239284]

約数ペア:

[(1, 20239284), (2, 10119642), (3, 6746428), (4, 5059821), (6, 3373214), (12, 1686607), (13, 1556868), (26, 778434), (39, 518956), (52, 389217), (78, 259478), (137, 147732), (156, 129739), (274, 73866), (411, 49244), (548, 36933), (822, 24622), (947, 21372), (1644, 12311), (1781, 11364), (1894, 10686), (2841, 7124), (3562, 5682), (3788, 5343)]