20299788

素因数分解:

$2^2\times 3^3\times {\mathrm{101}}^1\times {\mathrm{1861}}^1$

素因数の和:1975

約数の個数: 48

約数和(自身を含む): 53178720

約数和(自身を除く): 32878932

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 101, 108, 202, 303, 404, 606, 909, 1212, 1818, 1861, 2727, 3636, 3722, 5454, 5583, 7444, 10908, 11166, 16749, 22332, 33498, 50247, 66996, 100494, 187961, 200988, 375922, 563883, 751844, 1127766, 1691649, 2255532, 3383298, 5074947, 6766596, 10149894, 20299788]

約数ペア:

[(1, 20299788), (2, 10149894), (3, 6766596), (4, 5074947), (6, 3383298), (9, 2255532), (12, 1691649), (18, 1127766), (27, 751844), (36, 563883), (54, 375922), (101, 200988), (108, 187961), (202, 100494), (303, 66996), (404, 50247), (606, 33498), (909, 22332), (1212, 16749), (1818, 11166), (1861, 10908), (2727, 7444), (3636, 5583), (3722, 5454)]