20665230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 51928128

約数和(自身を除く): 31262898

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 53, 82, 106, 123, 159, 205, 246, 265, 317, 318, 410, 530, 615, 634, 795, 951, 1230, 1585, 1590, 1902, 2173, 3170, 4346, 4755, 6519, 9510, 10865, 12997, 13038, 16801, 21730, 25994, 32595, 33602, 38991, 50403, 64985, 65190, 77982, 84005, 100806, 129970, 168010, 194955, 252015, 389910, 504030, 688841, 1377682, 2066523, 3444205, 4133046, 6888410, 10332615, 20665230]

約数ペア:

[(1, 20665230), (2, 10332615), (3, 6888410), (5, 4133046), (6, 3444205), (10, 2066523), (15, 1377682), (30, 688841), (41, 504030), (53, 389910), (82, 252015), (106, 194955), (123, 168010), (159, 129970), (205, 100806), (246, 84005), (265, 77982), (317, 65190), (318, 64985), (410, 50403), (530, 38991), (615, 33602), (634, 32595), (795, 25994), (951, 21730), (1230, 16801), (1585, 13038), (1590, 12997), (1902, 10865), (2173, 9510), (3170, 6519), (4346, 4755)]