20381376

素因数分解:

$2^6\times 3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:222

約数の個数: 112

約数和(自身を含む): 58684160

約数和(自身を除く): 38302784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 37, 38, 48, 57, 64, 74, 76, 96, 111, 114, 148, 151, 152, 192, 222, 228, 296, 302, 304, 444, 453, 456, 592, 604, 608, 703, 888, 906, 912, 1184, 1208, 1216, 1406, 1776, 1812, 1824, 2109, 2368, 2416, 2812, 2869, 3552, 3624, 3648, 4218, 4832, 5587, 5624, 5738, 7104, 7248, 8436, 8607, 9664, 11174, 11248, 11476, 14496, 16761, 16872, 17214, 22348, 22496, 22952, 28992, 33522, 33744, 34428, 44696, 44992, 45904, 67044, 67488, 68856, 89392, 91808, 106153, 134088, 134976, 137712, 178784, 183616, 212306, 268176, 275424, 318459, 357568, 424612, 536352, 550848, 636918, 849224, 1072704, 1273836, 1698448, 2547672, 3396896, 5095344, 6793792, 10190688, 20381376]

約数ペア:

[(1, 20381376), (2, 10190688), (3, 6793792), (4, 5095344), (6, 3396896), (8, 2547672), (12, 1698448), (16, 1273836), (19, 1072704), (24, 849224), (32, 636918), (37, 550848), (38, 536352), (48, 424612), (57, 357568), (64, 318459), (74, 275424), (76, 268176), (96, 212306), (111, 183616), (114, 178784), (148, 137712), (151, 134976), (152, 134088), (192, 106153), (222, 91808), (228, 89392), (296, 68856), (302, 67488), (304, 67044), (444, 45904), (453, 44992), (456, 44696), (592, 34428), (604, 33744), (608, 33522), (703, 28992), (888, 22952), (906, 22496), (912, 22348), (1184, 17214), (1208, 16872), (1216, 16761), (1406, 14496), (1776, 11476), (1812, 11248), (1824, 11174), (2109, 9664), (2368, 8607), (2416, 8436), (2812, 7248), (2869, 7104), (3552, 5738), (3624, 5624), (3648, 5587), (4218, 4832)]