20135737980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{464171}}^1$

素因数の和:464427

約数の個数: 72

約数和(自身を含む): 61331974704

約数和(自身を除く): 41196236724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 241, 482, 723, 964, 1205, 1446, 2169, 2410, 2892, 3615, 4338, 4820, 7230, 8676, 10845, 14460, 21690, 43380, 464171, 928342, 1392513, 1856684, 2320855, 2785026, 4177539, 4641710, 5570052, 6962565, 8355078, 9283420, 13925130, 16710156, 20887695, 27850260, 41775390, 83550780, 111865211, 223730422, 335595633, 447460844, 559326055, 671191266, 1006786899, 1118652110, 1342382532, 1677978165, 2013573798, 2237304220, 3355956330, 4027147596, 5033934495, 6711912660, 10067868990, 20135737980]

約数ペア:

[(1, 20135737980), (2, 10067868990), (3, 6711912660), (4, 5033934495), (5, 4027147596), (6, 3355956330), (9, 2237304220), (10, 2013573798), (12, 1677978165), (15, 1342382532), (18, 1118652110), (20, 1006786899), (30, 671191266), (36, 559326055), (45, 447460844), (60, 335595633), (90, 223730422), (180, 111865211), (241, 83550780), (482, 41775390), (723, 27850260), (964, 20887695), (1205, 16710156), (1446, 13925130), (2169, 9283420), (2410, 8355078), (2892, 6962565), (3615, 5570052), (4338, 4641710), (4820, 4177539), (7230, 2785026), (8676, 2320855), (10845, 1856684), (14460, 1392513), (21690, 928342), (43380, 464171)]