20942370

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 96

約数和(自身を含む): 59042880

約数和(自身を除く): 38100510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 37, 38, 45, 57, 74, 90, 95, 111, 114, 171, 185, 190, 222, 285, 331, 333, 342, 370, 555, 570, 662, 666, 703, 855, 993, 1110, 1406, 1655, 1665, 1710, 1986, 2109, 2979, 3310, 3330, 3515, 4218, 4965, 5958, 6289, 6327, 7030, 9930, 10545, 12247, 12578, 12654, 14895, 18867, 21090, 24494, 29790, 31445, 31635, 36741, 37734, 56601, 61235, 62890, 63270, 73482, 94335, 110223, 113202, 122470, 183705, 188670, 220446, 232693, 283005, 367410, 465386, 551115, 566010, 698079, 1102230, 1163465, 1396158, 2094237, 2326930, 3490395, 4188474, 6980790, 10471185, 20942370]

約数ペア:

[(1, 20942370), (2, 10471185), (3, 6980790), (5, 4188474), (6, 3490395), (9, 2326930), (10, 2094237), (15, 1396158), (18, 1163465), (19, 1102230), (30, 698079), (37, 566010), (38, 551115), (45, 465386), (57, 367410), (74, 283005), (90, 232693), (95, 220446), (111, 188670), (114, 183705), (171, 122470), (185, 113202), (190, 110223), (222, 94335), (285, 73482), (331, 63270), (333, 62890), (342, 61235), (370, 56601), (555, 37734), (570, 36741), (662, 31635), (666, 31445), (703, 29790), (855, 24494), (993, 21090), (1110, 18867), (1406, 14895), (1655, 12654), (1665, 12578), (1710, 12247), (1986, 10545), (2109, 9930), (2979, 7030), (3310, 6327), (3330, 6289), (3515, 5958), (4218, 4965)]