20115662980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{593}}^1\times {\mathrm{2399}}^1$

素因数の和:3109

約数の個数: 96

約数和(自身を含む): 48858163200

約数和(自身を除く): 28742500220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 593, 707, 1010, 1186, 1414, 2020, 2372, 2399, 2828, 2965, 3535, 4151, 4798, 5930, 7070, 8302, 9596, 11860, 11995, 14140, 16604, 16793, 20755, 23990, 33586, 41510, 47980, 59893, 67172, 83020, 83965, 119786, 167930, 239572, 242299, 299465, 335860, 419251, 484598, 598930, 838502, 969196, 1197860, 1211495, 1422607, 1677004, 1696093, 2096255, 2422990, 2845214, 3392186, 4192510, 4845980, 5690428, 6784372, 7113035, 8385020, 8480465, 9958249, 14226070, 16960930, 19916498, 28452140, 33921860, 39832996, 49791245, 99582490, 143683307, 199164980, 287366614, 574733228, 718416535, 1005783149, 1436833070, 2011566298, 2873666140, 4023132596, 5028915745, 10057831490, 20115662980]

約数ペア:

[(1, 20115662980), (2, 10057831490), (4, 5028915745), (5, 4023132596), (7, 2873666140), (10, 2011566298), (14, 1436833070), (20, 1005783149), (28, 718416535), (35, 574733228), (70, 287366614), (101, 199164980), (140, 143683307), (202, 99582490), (404, 49791245), (505, 39832996), (593, 33921860), (707, 28452140), (1010, 19916498), (1186, 16960930), (1414, 14226070), (2020, 9958249), (2372, 8480465), (2399, 8385020), (2828, 7113035), (2965, 6784372), (3535, 5690428), (4151, 4845980), (4798, 4192510), (5930, 3392186), (7070, 2845214), (8302, 2422990), (9596, 2096255), (11860, 1696093), (11995, 1677004), (14140, 1422607), (16604, 1211495), (16793, 1197860), (20755, 969196), (23990, 838502), (33586, 598930), (41510, 484598), (47980, 419251), (59893, 335860), (67172, 299465), (83020, 242299), (83965, 239572), (119786, 167930)]