20211048

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1$

素因数の和:200

約数の個数: 144

約数和(自身を含む): 65089440

約数和(自身を除く): 44878392

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 151, 156, 169, 198, 234, 264, 286, 302, 312, 338, 396, 429, 453, 468, 507, 572, 604, 676, 792, 858, 906, 936, 1014, 1144, 1208, 1287, 1352, 1359, 1521, 1661, 1716, 1812, 1859, 1963, 2028, 2574, 2718, 3042, 3322, 3432, 3624, 3718, 3926, 4056, 4983, 5148, 5436, 5577, 5889, 6084, 6644, 7436, 7852, 9966, 10296, 10872, 11154, 11778, 12168, 13288, 14872, 14949, 15704, 16731, 17667, 19932, 21593, 22308, 23556, 25519, 29898, 33462, 35334, 39864, 43186, 44616, 47112, 51038, 59796, 64779, 66924, 70668, 76557, 86372, 102076, 119592, 129558, 133848, 141336, 153114, 172744, 194337, 204152, 229671, 259116, 280709, 306228, 388674, 459342, 518232, 561418, 612456, 777348, 842127, 918684, 1122836, 1554696, 1684254, 1837368, 2245672, 2526381, 3368508, 5052762, 6737016, 10105524, 20211048]

約数ペア:

[(1, 20211048), (2, 10105524), (3, 6737016), (4, 5052762), (6, 3368508), (8, 2526381), (9, 2245672), (11, 1837368), (12, 1684254), (13, 1554696), (18, 1122836), (22, 918684), (24, 842127), (26, 777348), (33, 612456), (36, 561418), (39, 518232), (44, 459342), (52, 388674), (66, 306228), (72, 280709), (78, 259116), (88, 229671), (99, 204152), (104, 194337), (117, 172744), (132, 153114), (143, 141336), (151, 133848), (156, 129558), (169, 119592), (198, 102076), (234, 86372), (264, 76557), (286, 70668), (302, 66924), (312, 64779), (338, 59796), (396, 51038), (429, 47112), (453, 44616), (468, 43186), (507, 39864), (572, 35334), (604, 33462), (676, 29898), (792, 25519), (858, 23556), (906, 22308), (936, 21593), (1014, 19932), (1144, 17667), (1208, 16731), (1287, 15704), (1352, 14949), (1359, 14872), (1521, 13288), (1661, 12168), (1716, 11778), (1812, 11154), (1859, 10872), (1963, 10296), (2028, 9966), (2574, 7852), (2718, 7436), (3042, 6644), (3322, 6084), (3432, 5889), (3624, 5577), (3718, 5436), (3926, 5148), (4056, 4983)]