20822520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{2377}}^1$

素因数の和:2464

約数の個数: 64

約数和(自身を含む): 63349920

約数和(自身を除く): 42527400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 219, 292, 365, 438, 584, 730, 876, 1095, 1460, 1752, 2190, 2377, 2920, 4380, 4754, 7131, 8760, 9508, 11885, 14262, 19016, 23770, 28524, 35655, 47540, 57048, 71310, 95080, 142620, 173521, 285240, 347042, 520563, 694084, 867605, 1041126, 1388168, 1735210, 2082252, 2602815, 3470420, 4164504, 5205630, 6940840, 10411260, 20822520]

約数ペア:

[(1, 20822520), (2, 10411260), (3, 6940840), (4, 5205630), (5, 4164504), (6, 3470420), (8, 2602815), (10, 2082252), (12, 1735210), (15, 1388168), (20, 1041126), (24, 867605), (30, 694084), (40, 520563), (60, 347042), (73, 285240), (120, 173521), (146, 142620), (219, 95080), (292, 71310), (365, 57048), (438, 47540), (584, 35655), (730, 28524), (876, 23770), (1095, 19016), (1460, 14262), (1752, 11885), (2190, 9508), (2377, 8760), (2920, 7131), (4380, 4754)]