20412260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:165

約数の個数: 96

約数和(自身を含む): 50125824

約数和(自身を除く): 29713564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 41, 44, 55, 62, 73, 82, 110, 124, 146, 155, 164, 205, 220, 292, 310, 341, 365, 410, 451, 620, 682, 730, 803, 820, 902, 1271, 1364, 1460, 1606, 1705, 1804, 2255, 2263, 2542, 2993, 3212, 3410, 4015, 4510, 4526, 5084, 5986, 6355, 6820, 8030, 9020, 9052, 11315, 11972, 12710, 13981, 14965, 16060, 22630, 24893, 25420, 27962, 29930, 32923, 45260, 49786, 55924, 59860, 65846, 69905, 92783, 99572, 124465, 131692, 139810, 164615, 185566, 248930, 279620, 329230, 371132, 463915, 497860, 658460, 927830, 1020613, 1855660, 2041226, 4082452, 5103065, 10206130, 20412260]

約数ペア:

[(1, 20412260), (2, 10206130), (4, 5103065), (5, 4082452), (10, 2041226), (11, 1855660), (20, 1020613), (22, 927830), (31, 658460), (41, 497860), (44, 463915), (55, 371132), (62, 329230), (73, 279620), (82, 248930), (110, 185566), (124, 164615), (146, 139810), (155, 131692), (164, 124465), (205, 99572), (220, 92783), (292, 69905), (310, 65846), (341, 59860), (365, 55924), (410, 49786), (451, 45260), (620, 32923), (682, 29930), (730, 27962), (803, 25420), (820, 24893), (902, 22630), (1271, 16060), (1364, 14965), (1460, 13981), (1606, 12710), (1705, 11972), (1804, 11315), (2255, 9052), (2263, 9020), (2542, 8030), (2993, 6820), (3212, 6355), (3410, 5986), (4015, 5084), (4510, 4526)]