20084914880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2024689}}^1$

素因数の和:2024737

約数の個数: 56

約数和(自身を含む): 49370040960

約数和(自身を除く): 29285126080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 2024689, 4049378, 8098756, 10123445, 16197512, 20246890, 32395024, 40493780, 62765359, 64790048, 80987560, 125530718, 129580096, 161975120, 251061436, 313826795, 323950240, 502122872, 627653590, 647900480, 1004245744, 1255307180, 2008491488, 2510614360, 4016982976, 5021228720, 10042457440, 20084914880]

約数ペア:

[(1, 20084914880), (2, 10042457440), (4, 5021228720), (5, 4016982976), (8, 2510614360), (10, 2008491488), (16, 1255307180), (20, 1004245744), (31, 647900480), (32, 627653590), (40, 502122872), (62, 323950240), (64, 313826795), (80, 251061436), (124, 161975120), (155, 129580096), (160, 125530718), (248, 80987560), (310, 64790048), (320, 62765359), (496, 40493780), (620, 32395024), (992, 20246890), (1240, 16197512), (1984, 10123445), (2480, 8098756), (4960, 4049378), (9920, 2024689)]