20402304

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 60204480

約数和(自身を除く): 39802176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 61, 64, 67, 78, 96, 104, 122, 128, 134, 156, 183, 192, 201, 208, 244, 268, 312, 366, 384, 402, 416, 488, 536, 624, 732, 793, 804, 832, 871, 976, 1072, 1248, 1464, 1586, 1608, 1664, 1742, 1952, 2144, 2379, 2496, 2613, 2928, 3172, 3216, 3484, 3904, 4087, 4288, 4758, 4992, 5226, 5856, 6344, 6432, 6968, 7808, 8174, 8576, 9516, 10452, 11712, 12261, 12688, 12864, 13936, 16348, 19032, 20904, 23424, 24522, 25376, 25728, 27872, 32696, 38064, 41808, 49044, 50752, 53131, 55744, 65392, 76128, 83616, 98088, 101504, 106262, 111488, 130784, 152256, 159393, 167232, 196176, 212524, 261568, 304512, 318786, 334464, 392352, 425048, 523136, 637572, 784704, 850096, 1275144, 1569408, 1700192, 2550288, 3400384, 5100576, 6800768, 10201152, 20402304]

約数ペア:

[(1, 20402304), (2, 10201152), (3, 6800768), (4, 5100576), (6, 3400384), (8, 2550288), (12, 1700192), (13, 1569408), (16, 1275144), (24, 850096), (26, 784704), (32, 637572), (39, 523136), (48, 425048), (52, 392352), (61, 334464), (64, 318786), (67, 304512), (78, 261568), (96, 212524), (104, 196176), (122, 167232), (128, 159393), (134, 152256), (156, 130784), (183, 111488), (192, 106262), (201, 101504), (208, 98088), (244, 83616), (268, 76128), (312, 65392), (366, 55744), (384, 53131), (402, 50752), (416, 49044), (488, 41808), (536, 38064), (624, 32696), (732, 27872), (793, 25728), (804, 25376), (832, 24522), (871, 23424), (976, 20904), (1072, 19032), (1248, 16348), (1464, 13936), (1586, 12864), (1608, 12688), (1664, 12261), (1742, 11712), (1952, 10452), (2144, 9516), (2379, 8576), (2496, 8174), (2613, 7808), (2928, 6968), (3172, 6432), (3216, 6344), (3484, 5856), (3904, 5226), (4087, 4992), (4288, 4758)]