20684430

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 40279410

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 71, 78, 83, 90, 117, 130, 135, 142, 166, 195, 213, 234, 249, 270, 351, 355, 390, 415, 426, 498, 585, 639, 702, 710, 747, 830, 923, 1065, 1079, 1170, 1245, 1278, 1494, 1755, 1846, 1917, 2130, 2158, 2241, 2490, 2769, 3195, 3237, 3510, 3735, 3834, 4482, 4615, 5395, 5538, 5893, 6390, 6474, 7470, 8307, 9230, 9585, 9711, 10790, 11205, 11786, 13845, 16185, 16614, 17679, 19170, 19422, 22410, 24921, 27690, 29133, 29465, 32370, 35358, 41535, 48555, 49842, 53037, 58266, 58930, 76609, 83070, 88395, 97110, 106074, 124605, 145665, 153218, 159111, 176790, 229827, 249210, 265185, 291330, 318222, 383045, 459654, 530370, 689481, 766090, 795555, 1149135, 1378962, 1591110, 2068443, 2298270, 3447405, 4136886, 6894810, 10342215, 20684430]

約数ペア:

[(1, 20684430), (2, 10342215), (3, 6894810), (5, 4136886), (6, 3447405), (9, 2298270), (10, 2068443), (13, 1591110), (15, 1378962), (18, 1149135), (26, 795555), (27, 766090), (30, 689481), (39, 530370), (45, 459654), (54, 383045), (65, 318222), (71, 291330), (78, 265185), (83, 249210), (90, 229827), (117, 176790), (130, 159111), (135, 153218), (142, 145665), (166, 124605), (195, 106074), (213, 97110), (234, 88395), (249, 83070), (270, 76609), (351, 58930), (355, 58266), (390, 53037), (415, 49842), (426, 48555), (498, 41535), (585, 35358), (639, 32370), (702, 29465), (710, 29133), (747, 27690), (830, 24921), (923, 22410), (1065, 19422), (1079, 19170), (1170, 17679), (1245, 16614), (1278, 16185), (1494, 13845), (1755, 11786), (1846, 11205), (1917, 10790), (2130, 9711), (2158, 9585), (2241, 9230), (2490, 8307), (2769, 7470), (3195, 6474), (3237, 6390), (3510, 5893), (3735, 5538), (3834, 5395), (4482, 4615)]