20300970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 30792534

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 83, 93, 155, 166, 186, 249, 263, 310, 415, 465, 498, 526, 789, 830, 930, 1245, 1315, 1578, 2490, 2573, 2630, 3945, 5146, 7719, 7890, 8153, 12865, 15438, 16306, 21829, 24459, 25730, 38595, 40765, 43658, 48918, 65487, 77190, 81530, 109145, 122295, 130974, 218290, 244590, 327435, 654870, 676699, 1353398, 2030097, 3383495, 4060194, 6766990, 10150485, 20300970]

約数ペア:

[(1, 20300970), (2, 10150485), (3, 6766990), (5, 4060194), (6, 3383495), (10, 2030097), (15, 1353398), (30, 676699), (31, 654870), (62, 327435), (83, 244590), (93, 218290), (155, 130974), (166, 122295), (186, 109145), (249, 81530), (263, 77190), (310, 65487), (415, 48918), (465, 43658), (498, 40765), (526, 38595), (789, 25730), (830, 24459), (930, 21829), (1245, 16306), (1315, 15438), (1578, 12865), (2490, 8153), (2573, 7890), (2630, 7719), (3945, 5146)]