20549388

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 49351680

約数和(自身を除く): 28802292

約数列:

[1, 2, 3, 4, 6, 12, 71, 89, 142, 178, 213, 267, 271, 284, 356, 426, 534, 542, 813, 852, 1068, 1084, 1626, 3252, 6319, 12638, 18957, 19241, 24119, 25276, 37914, 38482, 48238, 57723, 72357, 75828, 76964, 96476, 115446, 144714, 230892, 289428, 1712449, 3424898, 5137347, 6849796, 10274694, 20549388]

約数ペア:

[(1, 20549388), (2, 10274694), (3, 6849796), (4, 5137347), (6, 3424898), (12, 1712449), (71, 289428), (89, 230892), (142, 144714), (178, 115446), (213, 96476), (267, 76964), (271, 75828), (284, 72357), (356, 57723), (426, 48238), (534, 38482), (542, 37914), (813, 25276), (852, 24119), (1068, 19241), (1084, 18957), (1626, 12638), (3252, 6319)]