20384550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:582

約数の個数: 72

約数和(自身を含む): 55449576

約数和(自身を除く): 35065026

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 97, 150, 194, 225, 291, 450, 467, 485, 582, 873, 934, 970, 1401, 1455, 1746, 2335, 2425, 2802, 2910, 4203, 4365, 4670, 4850, 7005, 7275, 8406, 8730, 11675, 14010, 14550, 21015, 21825, 23350, 35025, 42030, 43650, 45299, 70050, 90598, 105075, 135897, 210150, 226495, 271794, 407691, 452990, 679485, 815382, 1132475, 1358970, 2038455, 2264950, 3397425, 4076910, 6794850, 10192275, 20384550]

約数ペア:

[(1, 20384550), (2, 10192275), (3, 6794850), (5, 4076910), (6, 3397425), (9, 2264950), (10, 2038455), (15, 1358970), (18, 1132475), (25, 815382), (30, 679485), (45, 452990), (50, 407691), (75, 271794), (90, 226495), (97, 210150), (150, 135897), (194, 105075), (225, 90598), (291, 70050), (450, 45299), (467, 43650), (485, 42030), (582, 35025), (873, 23350), (934, 21825), (970, 21015), (1401, 14550), (1455, 14010), (1746, 11675), (2335, 8730), (2425, 8406), (2802, 7275), (2910, 7005), (4203, 4850), (4365, 4670)]