20778421872

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1\times {\mathrm{24359}}^1$

素因数の和:25750

約数の個数: 80

約数和(自身を含む): 57851297280

約数和(自身を除く): 37072875408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1367, 2734, 4101, 5468, 8202, 10936, 16404, 17771, 21872, 24359, 32808, 35542, 48718, 53313, 65616, 71084, 73077, 97436, 106626, 142168, 146154, 194872, 213252, 284336, 292308, 316667, 389744, 426504, 584616, 633334, 853008, 950001, 1169232, 1266668, 1900002, 2533336, 3800004, 5066672, 7600008, 15200016, 33298753, 66597506, 99896259, 133195012, 199792518, 266390024, 399585036, 432883789, 532780048, 799170072, 865767578, 1298651367, 1598340144, 1731535156, 2597302734, 3463070312, 5194605468, 6926140624, 10389210936, 20778421872]

約数ペア:

[(1, 20778421872), (2, 10389210936), (3, 6926140624), (4, 5194605468), (6, 3463070312), (8, 2597302734), (12, 1731535156), (13, 1598340144), (16, 1298651367), (24, 865767578), (26, 799170072), (39, 532780048), (48, 432883789), (52, 399585036), (78, 266390024), (104, 199792518), (156, 133195012), (208, 99896259), (312, 66597506), (624, 33298753), (1367, 15200016), (2734, 7600008), (4101, 5066672), (5468, 3800004), (8202, 2533336), (10936, 1900002), (16404, 1266668), (17771, 1169232), (21872, 950001), (24359, 853008), (32808, 633334), (35542, 584616), (48718, 426504), (53313, 389744), (65616, 316667), (71084, 292308), (73077, 284336), (97436, 213252), (106626, 194872), (142168, 146154)]