20267910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1019}}^1$

素因数の和:1062

約数の個数: 96

約数和(自身を含む): 60147360

約数和(自身を除く): 39879450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 26, 30, 34, 39, 45, 51, 65, 78, 85, 90, 102, 117, 130, 153, 170, 195, 221, 234, 255, 306, 390, 442, 510, 585, 663, 765, 1019, 1105, 1170, 1326, 1530, 1989, 2038, 2210, 3057, 3315, 3978, 5095, 6114, 6630, 9171, 9945, 10190, 13247, 15285, 17323, 18342, 19890, 26494, 30570, 34646, 39741, 45855, 51969, 66235, 79482, 86615, 91710, 103938, 119223, 132470, 155907, 173230, 198705, 225199, 238446, 259845, 311814, 397410, 450398, 519690, 596115, 675597, 779535, 1125995, 1192230, 1351194, 1559070, 2026791, 2251990, 3377985, 4053582, 6755970, 10133955, 20267910]

約数ペア:

[(1, 20267910), (2, 10133955), (3, 6755970), (5, 4053582), (6, 3377985), (9, 2251990), (10, 2026791), (13, 1559070), (15, 1351194), (17, 1192230), (18, 1125995), (26, 779535), (30, 675597), (34, 596115), (39, 519690), (45, 450398), (51, 397410), (65, 311814), (78, 259845), (85, 238446), (90, 225199), (102, 198705), (117, 173230), (130, 155907), (153, 132470), (170, 119223), (195, 103938), (221, 91710), (234, 86615), (255, 79482), (306, 66235), (390, 51969), (442, 45855), (510, 39741), (585, 34646), (663, 30570), (765, 26494), (1019, 19890), (1105, 18342), (1170, 17323), (1326, 15285), (1530, 13247), (1989, 10190), (2038, 9945), (2210, 9171), (3057, 6630), (3315, 6114), (3978, 5095)]