20535210

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:983

約数の個数: 48

約数和(自身を含む): 53618760

約数和(自身を除く): 33083550

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 401, 569, 802, 1138, 1203, 1707, 2005, 2406, 2845, 3414, 3609, 4010, 5121, 5690, 6015, 7218, 8535, 10242, 12030, 17070, 18045, 25605, 36090, 51210, 228169, 456338, 684507, 1140845, 1369014, 2053521, 2281690, 3422535, 4107042, 6845070, 10267605, 20535210]

約数ペア:

[(1, 20535210), (2, 10267605), (3, 6845070), (5, 4107042), (6, 3422535), (9, 2281690), (10, 2053521), (15, 1369014), (18, 1140845), (30, 684507), (45, 456338), (90, 228169), (401, 51210), (569, 36090), (802, 25605), (1138, 18045), (1203, 17070), (1707, 12030), (2005, 10242), (2406, 8535), (2845, 7218), (3414, 6015), (3609, 5690), (4010, 5121)]