20392928

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1973}}^1$

素因数の和:2019

約数の個数: 48

約数和(自身を含む): 44770320

約数和(自身を除く): 24377392

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 68, 76, 136, 152, 272, 304, 323, 544, 608, 646, 1292, 1973, 2584, 3946, 5168, 7892, 10336, 15784, 31568, 33541, 37487, 63136, 67082, 74974, 134164, 149948, 268328, 299896, 536656, 599792, 637279, 1073312, 1199584, 1274558, 2549116, 5098232, 10196464, 20392928]

約数ペア:

[(1, 20392928), (2, 10196464), (4, 5098232), (8, 2549116), (16, 1274558), (17, 1199584), (19, 1073312), (32, 637279), (34, 599792), (38, 536656), (68, 299896), (76, 268328), (136, 149948), (152, 134164), (272, 74974), (304, 67082), (323, 63136), (544, 37487), (608, 33541), (646, 31568), (1292, 15784), (1973, 10336), (2584, 7892), (3946, 5168)]