20226880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2039}}^1$

素因数の和:2087

約数の個数: 56

約数和(自身を含む): 49743360

約数和(自身を除く): 29516480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2039, 2480, 4078, 4960, 8156, 9920, 10195, 16312, 20390, 32624, 40780, 63209, 65248, 81560, 126418, 130496, 163120, 252836, 316045, 326240, 505672, 632090, 652480, 1011344, 1264180, 2022688, 2528360, 4045376, 5056720, 10113440, 20226880]

約数ペア:

[(1, 20226880), (2, 10113440), (4, 5056720), (5, 4045376), (8, 2528360), (10, 2022688), (16, 1264180), (20, 1011344), (31, 652480), (32, 632090), (40, 505672), (62, 326240), (64, 316045), (80, 252836), (124, 163120), (155, 130496), (160, 126418), (248, 81560), (310, 65248), (320, 63209), (496, 40780), (620, 32624), (992, 20390), (1240, 16312), (1984, 10195), (2039, 9920), (2480, 8156), (4078, 4960)]