20963800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:773

約数の個数: 96

約数和(自身を含む): 57340080

約数和(自身を除く): 36376280

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 733, 1100, 1144, 1300, 1430, 1466, 2200, 2600, 2860, 2932, 3575, 3665, 5720, 5864, 7150, 7330, 8063, 9529, 14300, 14660, 16126, 18325, 19058, 28600, 29320, 32252, 36650, 38116, 40315, 47645, 64504, 73300, 76232, 80630, 95290, 104819, 146600, 161260, 190580, 201575, 209638, 238225, 322520, 381160, 403150, 419276, 476450, 524095, 806300, 838552, 952900, 1048190, 1612600, 1905800, 2096380, 2620475, 4192760, 5240950, 10481900, 20963800]

約数ペア:

[(1, 20963800), (2, 10481900), (4, 5240950), (5, 4192760), (8, 2620475), (10, 2096380), (11, 1905800), (13, 1612600), (20, 1048190), (22, 952900), (25, 838552), (26, 806300), (40, 524095), (44, 476450), (50, 419276), (52, 403150), (55, 381160), (65, 322520), (88, 238225), (100, 209638), (104, 201575), (110, 190580), (130, 161260), (143, 146600), (200, 104819), (220, 95290), (260, 80630), (275, 76232), (286, 73300), (325, 64504), (440, 47645), (520, 40315), (550, 38116), (572, 36650), (650, 32252), (715, 29320), (733, 28600), (1100, 19058), (1144, 18325), (1300, 16126), (1430, 14660), (1466, 14300), (2200, 9529), (2600, 8063), (2860, 7330), (2932, 7150), (3575, 5864), (3665, 5720)]