20763808

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 48263040

約数和(自身を除く): 27499232

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 37, 38, 52, 71, 74, 76, 104, 142, 148, 152, 208, 247, 284, 296, 304, 416, 481, 494, 568, 592, 608, 703, 923, 962, 988, 1136, 1184, 1349, 1406, 1846, 1924, 1976, 2272, 2627, 2698, 2812, 3692, 3848, 3952, 5254, 5396, 5624, 7384, 7696, 7904, 9139, 10508, 10792, 11248, 14768, 15392, 17537, 18278, 21016, 21584, 22496, 29536, 34151, 35074, 36556, 42032, 43168, 49913, 68302, 70148, 73112, 84064, 99826, 136604, 140296, 146224, 199652, 273208, 280592, 292448, 399304, 546416, 561184, 648869, 798608, 1092832, 1297738, 1597216, 2595476, 5190952, 10381904, 20763808]

約数ペア:

[(1, 20763808), (2, 10381904), (4, 5190952), (8, 2595476), (13, 1597216), (16, 1297738), (19, 1092832), (26, 798608), (32, 648869), (37, 561184), (38, 546416), (52, 399304), (71, 292448), (74, 280592), (76, 273208), (104, 199652), (142, 146224), (148, 140296), (152, 136604), (208, 99826), (247, 84064), (284, 73112), (296, 70148), (304, 68302), (416, 49913), (481, 43168), (494, 42032), (568, 36556), (592, 35074), (608, 34151), (703, 29536), (923, 22496), (962, 21584), (988, 21016), (1136, 18278), (1184, 17537), (1349, 15392), (1406, 14768), (1846, 11248), (1924, 10792), (1976, 10508), (2272, 9139), (2627, 7904), (2698, 7696), (2812, 7384), (3692, 5624), (3848, 5396), (3952, 5254)]