20805912

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 60465600

約数和(自身を除く): 39659688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 67, 72, 76, 114, 134, 152, 171, 201, 227, 228, 268, 342, 402, 454, 456, 536, 603, 681, 684, 804, 908, 1206, 1273, 1362, 1368, 1608, 1816, 2043, 2412, 2546, 2724, 3819, 4086, 4313, 4824, 5092, 5448, 7638, 8172, 8626, 10184, 11457, 12939, 15209, 15276, 16344, 17252, 22914, 25878, 30418, 30552, 34504, 38817, 45627, 45828, 51756, 60836, 77634, 91254, 91656, 103512, 121672, 136881, 155268, 182508, 273762, 288971, 310536, 365016, 547524, 577942, 866913, 1095048, 1155884, 1733826, 2311768, 2600739, 3467652, 5201478, 6935304, 10402956, 20805912]

約数ペア:

[(1, 20805912), (2, 10402956), (3, 6935304), (4, 5201478), (6, 3467652), (8, 2600739), (9, 2311768), (12, 1733826), (18, 1155884), (19, 1095048), (24, 866913), (36, 577942), (38, 547524), (57, 365016), (67, 310536), (72, 288971), (76, 273762), (114, 182508), (134, 155268), (152, 136881), (171, 121672), (201, 103512), (227, 91656), (228, 91254), (268, 77634), (342, 60836), (402, 51756), (454, 45828), (456, 45627), (536, 38817), (603, 34504), (681, 30552), (684, 30418), (804, 25878), (908, 22914), (1206, 17252), (1273, 16344), (1362, 15276), (1368, 15209), (1608, 12939), (1816, 11457), (2043, 10184), (2412, 8626), (2546, 8172), (2724, 7638), (3819, 5448), (4086, 5092), (4313, 4824)]