20834940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{439}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 67415040

約数和(自身を除く): 46580100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 420, 439, 452, 565, 678, 791, 878, 1130, 1317, 1356, 1582, 1695, 1756, 2195, 2260, 2373, 2634, 3073, 3164, 3390, 3955, 4390, 4746, 5268, 6146, 6585, 6780, 7910, 8780, 9219, 9492, 11865, 12292, 13170, 15365, 15820, 18438, 23730, 26340, 30730, 36876, 46095, 47460, 49607, 61460, 92190, 99214, 148821, 184380, 198428, 248035, 297642, 347249, 496070, 595284, 694498, 744105, 992140, 1041747, 1388996, 1488210, 1736245, 2083494, 2976420, 3472490, 4166988, 5208735, 6944980, 10417470, 20834940]

約数ペア:

[(1, 20834940), (2, 10417470), (3, 6944980), (4, 5208735), (5, 4166988), (6, 3472490), (7, 2976420), (10, 2083494), (12, 1736245), (14, 1488210), (15, 1388996), (20, 1041747), (21, 992140), (28, 744105), (30, 694498), (35, 595284), (42, 496070), (60, 347249), (70, 297642), (84, 248035), (105, 198428), (113, 184380), (140, 148821), (210, 99214), (226, 92190), (339, 61460), (420, 49607), (439, 47460), (452, 46095), (565, 36876), (678, 30730), (791, 26340), (878, 23730), (1130, 18438), (1317, 15820), (1356, 15365), (1582, 13170), (1695, 12292), (1756, 11865), (2195, 9492), (2260, 9219), (2373, 8780), (2634, 7910), (3073, 6780), (3164, 6585), (3390, 6146), (3955, 5268), (4390, 4746)]