20881567320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4244221}}^1$

素因数の和:4244276

約数の個数: 64

約数和(自身を含む): 64172636640

約数和(自身を除く): 43291069320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 492, 615, 820, 984, 1230, 1640, 2460, 4920, 4244221, 8488442, 12732663, 16976884, 21221105, 25465326, 33953768, 42442210, 50930652, 63663315, 84884420, 101861304, 127326630, 169768840, 174013061, 254653260, 348026122, 509306520, 522039183, 696052244, 870065305, 1044078366, 1392104488, 1740130610, 2088156732, 2610195915, 3480261220, 4176313464, 5220391830, 6960522440, 10440783660, 20881567320]

約数ペア:

[(1, 20881567320), (2, 10440783660), (3, 6960522440), (4, 5220391830), (5, 4176313464), (6, 3480261220), (8, 2610195915), (10, 2088156732), (12, 1740130610), (15, 1392104488), (20, 1044078366), (24, 870065305), (30, 696052244), (40, 522039183), (41, 509306520), (60, 348026122), (82, 254653260), (120, 174013061), (123, 169768840), (164, 127326630), (205, 101861304), (246, 84884420), (328, 63663315), (410, 50930652), (492, 42442210), (615, 33953768), (820, 25465326), (984, 21221105), (1230, 16976884), (1640, 12732663), (2460, 8488442), (4920, 4244221)]