20040144

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{599}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 56246400

約数和(自身を除く): 36206256

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 41, 48, 51, 68, 82, 102, 123, 136, 164, 204, 246, 272, 328, 408, 492, 599, 656, 697, 816, 984, 1198, 1394, 1797, 1968, 2091, 2396, 2788, 3594, 4182, 4792, 5576, 7188, 8364, 9584, 10183, 11152, 14376, 16728, 20366, 24559, 28752, 30549, 33456, 40732, 49118, 61098, 73677, 81464, 98236, 122196, 147354, 162928, 196472, 244392, 294708, 392944, 417503, 488784, 589416, 835006, 1178832, 1252509, 1670012, 2505018, 3340024, 5010036, 6680048, 10020072, 20040144]

約数ペア:

[(1, 20040144), (2, 10020072), (3, 6680048), (4, 5010036), (6, 3340024), (8, 2505018), (12, 1670012), (16, 1252509), (17, 1178832), (24, 835006), (34, 589416), (41, 488784), (48, 417503), (51, 392944), (68, 294708), (82, 244392), (102, 196472), (123, 162928), (136, 147354), (164, 122196), (204, 98236), (246, 81464), (272, 73677), (328, 61098), (408, 49118), (492, 40732), (599, 33456), (656, 30549), (697, 28752), (816, 24559), (984, 20366), (1198, 16728), (1394, 14376), (1797, 11152), (1968, 10183), (2091, 9584), (2396, 8364), (2788, 7188), (3594, 5576), (4182, 4792)]