2020004070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{1987}}^1$

素因数の和:2154

約数の個数: 128

約数和(自身を含む): 5716279296

約数和(自身を除く): 3696275226

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 103, 105, 141, 206, 210, 235, 282, 309, 329, 470, 515, 618, 658, 705, 721, 987, 1030, 1410, 1442, 1545, 1645, 1974, 1987, 2163, 3090, 3290, 3605, 3974, 4326, 4841, 4935, 5961, 7210, 9682, 9870, 9935, 10815, 11922, 13909, 14523, 19870, 21630, 24205, 27818, 29046, 29805, 33887, 41727, 48410, 59610, 67774, 69545, 72615, 83454, 93389, 101661, 139090, 145230, 169435, 186778, 203322, 204661, 208635, 280167, 338870, 409322, 417270, 466945, 508305, 560334, 613983, 653723, 933890, 1016610, 1023305, 1227966, 1307446, 1400835, 1432627, 1961169, 2046610, 2801670, 2865254, 3069915, 3268615, 3922338, 4297881, 6139830, 6537230, 7163135, 8595762, 9619067, 9805845, 14326270, 19238134, 19611690, 21489405, 28857201, 42978810, 48095335, 57714402, 67333469, 96190670, 134666938, 144286005, 202000407, 288572010, 336667345, 404000814, 673334690, 1010002035, 2020004070]

約数ペア:

[(1, 2020004070), (2, 1010002035), (3, 673334690), (5, 404000814), (6, 336667345), (7, 288572010), (10, 202000407), (14, 144286005), (15, 134666938), (21, 96190670), (30, 67333469), (35, 57714402), (42, 48095335), (47, 42978810), (70, 28857201), (94, 21489405), (103, 19611690), (105, 19238134), (141, 14326270), (206, 9805845), (210, 9619067), (235, 8595762), (282, 7163135), (309, 6537230), (329, 6139830), (470, 4297881), (515, 3922338), (618, 3268615), (658, 3069915), (705, 2865254), (721, 2801670), (987, 2046610), (1030, 1961169), (1410, 1432627), (1442, 1400835), (1545, 1307446), (1645, 1227966), (1974, 1023305), (1987, 1016610), (2163, 933890), (3090, 653723), (3290, 613983), (3605, 560334), (3974, 508305), (4326, 466945), (4841, 417270), (4935, 409322), (5961, 338870), (7210, 280167), (9682, 208635), (9870, 204661), (9935, 203322), (10815, 186778), (11922, 169435), (13909, 145230), (14523, 139090), (19870, 101661), (21630, 93389), (24205, 83454), (27818, 72615), (29046, 69545), (29805, 67774), (33887, 59610), (41727, 48410)]