20512247315

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{1117}}^1$

素因数の和:1428

約数の個数: 64

約数和(自身を含む): 29426761728

約数和(自身を除く): 8914514413

約数列:

[1, 5, 7, 35, 41, 67, 191, 205, 287, 335, 469, 955, 1117, 1337, 1435, 2345, 2747, 5585, 6685, 7819, 7831, 12797, 13735, 19229, 39095, 39155, 45797, 54817, 63985, 74839, 89579, 96145, 213347, 228985, 274085, 320579, 374195, 447895, 523873, 524677, 1066735, 1493429, 1602895, 2619365, 2623385, 3068399, 3672739, 7467145, 8747227, 14294249, 15341995, 18363695, 21478793, 43736135, 61230589, 71471245, 100059743, 107393965, 306152945, 500298715, 586064209, 2930321045, 4102449463, 20512247315]

約数ペア:

[(1, 20512247315), (5, 4102449463), (7, 2930321045), (35, 586064209), (41, 500298715), (67, 306152945), (191, 107393965), (205, 100059743), (287, 71471245), (335, 61230589), (469, 43736135), (955, 21478793), (1117, 18363695), (1337, 15341995), (1435, 14294249), (2345, 8747227), (2747, 7467145), (5585, 3672739), (6685, 3068399), (7819, 2623385), (7831, 2619365), (12797, 1602895), (13735, 1493429), (19229, 1066735), (39095, 524677), (39155, 523873), (45797, 447895), (54817, 374195), (63985, 320579), (74839, 274085), (89579, 228985), (96145, 213347)]