20943396

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 72

約数和(自身を含む): 56682080

約数和(自身を除く): 35738684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 67, 76, 114, 134, 171, 201, 228, 268, 342, 402, 457, 603, 684, 804, 914, 1206, 1273, 1371, 1828, 2412, 2546, 2742, 3819, 4113, 5092, 5484, 7638, 8226, 8683, 11457, 15276, 16452, 17366, 22914, 26049, 30619, 34732, 45828, 52098, 61238, 78147, 91857, 104196, 122476, 156294, 183714, 275571, 312588, 367428, 551142, 581761, 1102284, 1163522, 1745283, 2327044, 3490566, 5235849, 6981132, 10471698, 20943396]

約数ペア:

[(1, 20943396), (2, 10471698), (3, 6981132), (4, 5235849), (6, 3490566), (9, 2327044), (12, 1745283), (18, 1163522), (19, 1102284), (36, 581761), (38, 551142), (57, 367428), (67, 312588), (76, 275571), (114, 183714), (134, 156294), (171, 122476), (201, 104196), (228, 91857), (268, 78147), (342, 61238), (402, 52098), (457, 45828), (603, 34732), (684, 30619), (804, 26049), (914, 22914), (1206, 17366), (1273, 16452), (1371, 15276), (1828, 11457), (2412, 8683), (2546, 8226), (2742, 7638), (3819, 5484), (4113, 5092)]