20189928

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2467}}^1$

素因数の和:2518

約数の個数: 64

約数和(自身を含む): 56862720

約数和(自身を除く): 36672792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 31, 33, 44, 62, 66, 88, 93, 124, 132, 186, 248, 264, 341, 372, 682, 744, 1023, 1364, 2046, 2467, 2728, 4092, 4934, 7401, 8184, 9868, 14802, 19736, 27137, 29604, 54274, 59208, 76477, 81411, 108548, 152954, 162822, 217096, 229431, 305908, 325644, 458862, 611816, 651288, 841247, 917724, 1682494, 1835448, 2523741, 3364988, 5047482, 6729976, 10094964, 20189928]

約数ペア:

[(1, 20189928), (2, 10094964), (3, 6729976), (4, 5047482), (6, 3364988), (8, 2523741), (11, 1835448), (12, 1682494), (22, 917724), (24, 841247), (31, 651288), (33, 611816), (44, 458862), (62, 325644), (66, 305908), (88, 229431), (93, 217096), (124, 162822), (132, 152954), (186, 108548), (248, 81411), (264, 76477), (341, 59208), (372, 54274), (682, 29604), (744, 27137), (1023, 19736), (1364, 14802), (2046, 9868), (2467, 8184), (2728, 7401), (4092, 4934)]