20135774875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1511}}^1$

素因数の和:1757

約数の個数: 64

約数和(自身を含む): 27474370560

約数和(自身を除く): 7338595685

約数列:

[1, 5, 19, 25, 31, 95, 125, 155, 181, 475, 589, 775, 905, 1511, 2375, 2945, 3439, 3875, 4525, 5611, 7555, 14725, 17195, 22625, 28055, 28709, 37775, 46841, 73625, 85975, 106609, 140275, 143545, 188875, 234205, 273491, 429875, 533045, 701375, 717725, 889979, 1171025, 1367455, 2665225, 3588625, 4449895, 5196329, 5855125, 6837275, 8478221, 13326125, 22249475, 25981645, 34186375, 42391105, 111247375, 129908225, 161086199, 211955525, 649541125, 805430995, 1059777625, 4027154975, 20135774875]

約数ペア:

[(1, 20135774875), (5, 4027154975), (19, 1059777625), (25, 805430995), (31, 649541125), (95, 211955525), (125, 161086199), (155, 129908225), (181, 111247375), (475, 42391105), (589, 34186375), (775, 25981645), (905, 22249475), (1511, 13326125), (2375, 8478221), (2945, 6837275), (3439, 5855125), (3875, 5196329), (4525, 4449895), (5611, 3588625), (7555, 2665225), (14725, 1367455), (17195, 1171025), (22625, 889979), (28055, 717725), (28709, 701375), (37775, 533045), (46841, 429875), (73625, 273491), (85975, 234205), (106609, 188875), (140275, 143545)]