2013196420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{53231}}^1$

素因数の和:53332

約数の個数: 48

約数和(自身を含む): 4435716096

約数和(自身を除く): 2422519676

約数列:

[1, 2, 4, 5, 10, 20, 31, 61, 62, 122, 124, 155, 244, 305, 310, 610, 620, 1220, 1891, 3782, 7564, 9455, 18910, 37820, 53231, 106462, 212924, 266155, 532310, 1064620, 1650161, 3247091, 3300322, 6494182, 6600644, 8250805, 12988364, 16235455, 16501610, 32470910, 33003220, 64941820, 100659821, 201319642, 402639284, 503299105, 1006598210, 2013196420]

約数ペア:

[(1, 2013196420), (2, 1006598210), (4, 503299105), (5, 402639284), (10, 201319642), (20, 100659821), (31, 64941820), (61, 33003220), (62, 32470910), (122, 16501610), (124, 16235455), (155, 12988364), (244, 8250805), (305, 6600644), (310, 6494182), (610, 3300322), (620, 3247091), (1220, 1650161), (1891, 1064620), (3782, 532310), (7564, 266155), (9455, 212924), (18910, 106462), (37820, 53231)]