20576772

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:545

約数の個数: 72

約数和(自身を含む): 55692000

約数和(自身を除く): 35115228

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, 449, 603, 684, 804, 898, 1206, 1273, 1347, 1796, 2412, 2546, 2694, 3819, 4041, 5092, 5388, 7638, 8082, 8531, 11457, 15276, 16164, 17062, 22914, 25593, 30083, 34124, 45828, 51186, 60166, 76779, 90249, 102372, 120332, 153558, 180498, 270747, 307116, 360996, 541494, 571577, 1082988, 1143154, 1714731, 2286308, 3429462, 5144193, 6858924, 10288386, 20576772]

約数ペア:

[(1, 20576772), (2, 10288386), (3, 6858924), (4, 5144193), (6, 3429462), (9, 2286308), (12, 1714731), (18, 1143154), (19, 1082988), (36, 571577), (38, 541494), (57, 360996), (67, 307116), (76, 270747), (114, 180498), (134, 153558), (171, 120332), (201, 102372), (228, 90249), (268, 76779), (342, 60166), (402, 51186), (449, 45828), (603, 34124), (684, 30083), (804, 25593), (898, 22914), (1206, 17062), (1273, 16164), (1347, 15276), (1796, 11457), (2412, 8531), (2546, 8082), (2694, 7638), (3819, 5388), (4041, 5092)]