20901930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:324

約数の個数: 96

約数和(自身を含む): 59590080

約数和(自身を除く): 38688150

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 59, 70, 98, 105, 118, 147, 177, 210, 241, 245, 294, 295, 354, 413, 482, 490, 590, 723, 735, 826, 885, 1205, 1239, 1446, 1470, 1687, 1770, 2065, 2410, 2478, 2891, 3374, 3615, 4130, 5061, 5782, 6195, 7230, 8435, 8673, 10122, 11809, 12390, 14219, 14455, 16870, 17346, 23618, 25305, 28438, 28910, 35427, 42657, 43365, 50610, 59045, 70854, 71095, 85314, 86730, 99533, 118090, 142190, 177135, 199066, 213285, 298599, 354270, 426570, 497665, 597198, 696731, 995330, 1393462, 1492995, 2090193, 2985990, 3483655, 4180386, 6967310, 10450965, 20901930]

約数ペア:

[(1, 20901930), (2, 10450965), (3, 6967310), (5, 4180386), (6, 3483655), (7, 2985990), (10, 2090193), (14, 1492995), (15, 1393462), (21, 995330), (30, 696731), (35, 597198), (42, 497665), (49, 426570), (59, 354270), (70, 298599), (98, 213285), (105, 199066), (118, 177135), (147, 142190), (177, 118090), (210, 99533), (241, 86730), (245, 85314), (294, 71095), (295, 70854), (354, 59045), (413, 50610), (482, 43365), (490, 42657), (590, 35427), (723, 28910), (735, 28438), (826, 25305), (885, 23618), (1205, 17346), (1239, 16870), (1446, 14455), (1470, 14219), (1687, 12390), (1770, 11809), (2065, 10122), (2410, 8673), (2478, 8435), (2891, 7230), (3374, 6195), (3615, 5782), (4130, 5061)]