20119661619

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{1021}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 29621975040

約数和(自身を除く): 9502313421

約数列:

[1, 3, 17, 51, 67, 73, 79, 201, 219, 237, 1021, 1139, 1241, 1343, 3063, 3417, 3723, 4029, 4891, 5293, 5767, 14673, 15879, 17301, 17357, 52071, 68407, 74533, 80659, 83147, 89981, 98039, 205221, 223599, 241977, 249441, 269943, 294117, 386389, 1159167, 1162919, 1267061, 1371203, 3488757, 3801183, 4113609, 4993711, 5404153, 5888107, 6568613, 14981133, 16212459, 17664321, 19705839, 84893087, 91870601, 100097819, 254679261, 275611803, 300293457, 394503169, 1183509507, 6706553873, 20119661619]

約数ペア:

[(1, 20119661619), (3, 6706553873), (17, 1183509507), (51, 394503169), (67, 300293457), (73, 275611803), (79, 254679261), (201, 100097819), (219, 91870601), (237, 84893087), (1021, 19705839), (1139, 17664321), (1241, 16212459), (1343, 14981133), (3063, 6568613), (3417, 5888107), (3723, 5404153), (4029, 4993711), (4891, 4113609), (5293, 3801183), (5767, 3488757), (14673, 1371203), (15879, 1267061), (17301, 1162919), (17357, 1159167), (52071, 386389), (68407, 294117), (74533, 269943), (80659, 249441), (83147, 241977), (89981, 223599), (98039, 205221)]