20120481986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{193}}^1\times {\mathrm{4931}}^1$

素因数の和:5199

約数の個数: 48

約数和(自身を含む): 34203972384

約数和(自身を除く): 14083490398

約数列:

[1, 2, 11, 22, 31, 62, 193, 341, 386, 682, 961, 1922, 2123, 4246, 4931, 5983, 9862, 10571, 11966, 21142, 54241, 65813, 108482, 131626, 152861, 185473, 305722, 370946, 951683, 1681471, 1903366, 2040203, 3362942, 4080406, 4738691, 9477382, 10468513, 20937026, 29502173, 52125601, 59004346, 104251202, 324523903, 649047806, 914567363, 1829134726, 10060240993, 20120481986]

約数ペア:

[(1, 20120481986), (2, 10060240993), (11, 1829134726), (22, 914567363), (31, 649047806), (62, 324523903), (193, 104251202), (341, 59004346), (386, 52125601), (682, 29502173), (961, 20937026), (1922, 10468513), (2123, 9477382), (4246, 4738691), (4931, 4080406), (5983, 3362942), (9862, 2040203), (10571, 1903366), (11966, 1681471), (21142, 951683), (54241, 370946), (65813, 305722), (108482, 185473), (131626, 152861)]