20218848

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{953}}^1$

素因数の和:996

約数の個数: 96

約数和(自身を含む): 60582816

約数和(自身を除く): 40363968

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 416, 442, 544, 624, 663, 816, 884, 953, 1248, 1326, 1632, 1768, 1906, 2652, 2859, 3536, 3812, 5304, 5718, 7072, 7624, 10608, 11436, 12389, 15248, 16201, 21216, 22872, 24778, 30496, 32402, 37167, 45744, 48603, 49556, 64804, 74334, 91488, 97206, 99112, 129608, 148668, 194412, 198224, 210613, 259216, 297336, 388824, 396448, 421226, 518432, 594672, 631839, 777648, 842452, 1189344, 1263678, 1555296, 1684904, 2527356, 3369808, 5054712, 6739616, 10109424, 20218848]

約数ペア:

[(1, 20218848), (2, 10109424), (3, 6739616), (4, 5054712), (6, 3369808), (8, 2527356), (12, 1684904), (13, 1555296), (16, 1263678), (17, 1189344), (24, 842452), (26, 777648), (32, 631839), (34, 594672), (39, 518432), (48, 421226), (51, 396448), (52, 388824), (68, 297336), (78, 259216), (96, 210613), (102, 198224), (104, 194412), (136, 148668), (156, 129608), (204, 99112), (208, 97206), (221, 91488), (272, 74334), (312, 64804), (408, 49556), (416, 48603), (442, 45744), (544, 37167), (624, 32402), (663, 30496), (816, 24778), (884, 22872), (953, 21216), (1248, 16201), (1326, 15248), (1632, 12389), (1768, 11436), (1906, 10608), (2652, 7624), (2859, 7072), (3536, 5718), (3812, 5304)]