20853456

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1453}}^1$

素因数の和:1500

約数の個数: 80

約数和(自身を含む): 60579456

約数和(自身を除く): 39726000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1453, 1794, 2392, 2906, 3588, 4359, 4784, 5812, 7176, 8718, 11624, 14352, 17436, 18889, 23248, 33419, 34872, 37778, 56667, 66838, 69744, 75556, 100257, 113334, 133676, 151112, 200514, 226668, 267352, 302224, 401028, 434447, 453336, 534704, 802056, 868894, 906672, 1303341, 1604112, 1737788, 2606682, 3475576, 5213364, 6951152, 10426728, 20853456]

約数ペア:

[(1, 20853456), (2, 10426728), (3, 6951152), (4, 5213364), (6, 3475576), (8, 2606682), (12, 1737788), (13, 1604112), (16, 1303341), (23, 906672), (24, 868894), (26, 802056), (39, 534704), (46, 453336), (48, 434447), (52, 401028), (69, 302224), (78, 267352), (92, 226668), (104, 200514), (138, 151112), (156, 133676), (184, 113334), (208, 100257), (276, 75556), (299, 69744), (312, 66838), (368, 56667), (552, 37778), (598, 34872), (624, 33419), (897, 23248), (1104, 18889), (1196, 17436), (1453, 14352), (1794, 11624), (2392, 8718), (2906, 7176), (3588, 5812), (4359, 4784)]