20331960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 128

約数和(自身を含む): 67772160

約数和(自身を除く): 47440200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 73, 88, 110, 120, 132, 146, 165, 211, 219, 220, 264, 292, 330, 365, 422, 438, 440, 584, 633, 660, 730, 803, 844, 876, 1055, 1095, 1266, 1320, 1460, 1606, 1688, 1752, 2110, 2190, 2321, 2409, 2532, 2920, 3165, 3212, 4015, 4220, 4380, 4642, 4818, 5064, 6330, 6424, 6963, 8030, 8440, 8760, 9284, 9636, 11605, 12045, 12660, 13926, 15403, 16060, 18568, 19272, 23210, 24090, 25320, 27852, 30806, 32120, 34815, 46209, 46420, 48180, 55704, 61612, 69630, 77015, 92418, 92840, 96360, 123224, 139260, 154030, 169433, 184836, 231045, 278520, 308060, 338866, 369672, 462090, 508299, 616120, 677732, 847165, 924180, 1016598, 1355464, 1694330, 1848360, 2033196, 2541495, 3388660, 4066392, 5082990, 6777320, 10165980, 20331960]

約数ペア:

[(1, 20331960), (2, 10165980), (3, 6777320), (4, 5082990), (5, 4066392), (6, 3388660), (8, 2541495), (10, 2033196), (11, 1848360), (12, 1694330), (15, 1355464), (20, 1016598), (22, 924180), (24, 847165), (30, 677732), (33, 616120), (40, 508299), (44, 462090), (55, 369672), (60, 338866), (66, 308060), (73, 278520), (88, 231045), (110, 184836), (120, 169433), (132, 154030), (146, 139260), (165, 123224), (211, 96360), (219, 92840), (220, 92418), (264, 77015), (292, 69630), (330, 61612), (365, 55704), (422, 48180), (438, 46420), (440, 46209), (584, 34815), (633, 32120), (660, 30806), (730, 27852), (803, 25320), (844, 24090), (876, 23210), (1055, 19272), (1095, 18568), (1266, 16060), (1320, 15403), (1460, 13926), (1606, 12660), (1688, 12045), (1752, 11605), (2110, 9636), (2190, 9284), (2321, 8760), (2409, 8440), (2532, 8030), (2920, 6963), (3165, 6424), (3212, 6330), (4015, 5064), (4220, 4818), (4380, 4642)]