20559630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{443}}^1$

素因数の和:490

約数の個数: 128

約数和(自身を含む): 64447488

約数和(自身を除く): 43887858

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 39, 42, 51, 65, 70, 78, 85, 91, 102, 105, 119, 130, 170, 182, 195, 210, 221, 238, 255, 273, 357, 390, 442, 443, 455, 510, 546, 595, 663, 714, 886, 910, 1105, 1190, 1326, 1329, 1365, 1547, 1785, 2210, 2215, 2658, 2730, 3094, 3101, 3315, 3570, 4430, 4641, 5759, 6202, 6630, 6645, 7531, 7735, 9282, 9303, 11518, 13290, 15062, 15470, 15505, 17277, 18606, 22593, 23205, 28795, 31010, 34554, 37655, 40313, 45186, 46410, 46515, 52717, 57590, 75310, 80626, 86385, 93030, 97903, 105434, 112965, 120939, 158151, 172770, 195806, 201565, 225930, 241878, 263585, 293709, 316302, 403130, 489515, 527170, 587418, 604695, 685321, 790755, 979030, 1209390, 1370642, 1468545, 1581510, 2055963, 2937090, 3426605, 4111926, 6853210, 10279815, 20559630]

約数ペア:

[(1, 20559630), (2, 10279815), (3, 6853210), (5, 4111926), (6, 3426605), (7, 2937090), (10, 2055963), (13, 1581510), (14, 1468545), (15, 1370642), (17, 1209390), (21, 979030), (26, 790755), (30, 685321), (34, 604695), (35, 587418), (39, 527170), (42, 489515), (51, 403130), (65, 316302), (70, 293709), (78, 263585), (85, 241878), (91, 225930), (102, 201565), (105, 195806), (119, 172770), (130, 158151), (170, 120939), (182, 112965), (195, 105434), (210, 97903), (221, 93030), (238, 86385), (255, 80626), (273, 75310), (357, 57590), (390, 52717), (442, 46515), (443, 46410), (455, 45186), (510, 40313), (546, 37655), (595, 34554), (663, 31010), (714, 28795), (886, 23205), (910, 22593), (1105, 18606), (1190, 17277), (1326, 15505), (1329, 15470), (1365, 15062), (1547, 13290), (1785, 11518), (2210, 9303), (2215, 9282), (2658, 7735), (2730, 7531), (3094, 6645), (3101, 6630), (3315, 6202), (3570, 5759), (4430, 4641)]