20780181372

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{308293}}^1$

素因数の和:308478

約数の個数: 48

約数和(自身を含む): 50032416672

約数和(自身を除く): 29252235300

約数列:

[1, 2, 3, 4, 6, 12, 41, 82, 123, 137, 164, 246, 274, 411, 492, 548, 822, 1644, 5617, 11234, 16851, 22468, 33702, 67404, 308293, 616586, 924879, 1233172, 1849758, 3699516, 12640013, 25280026, 37920039, 42236141, 50560052, 75840078, 84472282, 126708423, 151680156, 168944564, 253416846, 506833692, 1731681781, 3463363562, 5195045343, 6926727124, 10390090686, 20780181372]

約数ペア:

[(1, 20780181372), (2, 10390090686), (3, 6926727124), (4, 5195045343), (6, 3463363562), (12, 1731681781), (41, 506833692), (82, 253416846), (123, 168944564), (137, 151680156), (164, 126708423), (246, 84472282), (274, 75840078), (411, 50560052), (492, 42236141), (548, 37920039), (822, 25280026), (1644, 12640013), (5617, 3699516), (11234, 1849758), (16851, 1233172), (22468, 924879), (33702, 616586), (67404, 308293)]