20263425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2969}}^1$

素因数の和:3002

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 20983935

約数列:

[1, 3, 5, 7, 13, 15, 21, 25, 35, 39, 65, 75, 91, 105, 175, 195, 273, 325, 455, 525, 975, 1365, 2275, 2969, 6825, 8907, 14845, 20783, 38597, 44535, 62349, 74225, 103915, 115791, 192985, 222675, 270179, 311745, 519575, 578955, 810537, 964925, 1350895, 1558725, 2894775, 4052685, 6754475, 20263425]

約数ペア:

[(1, 20263425), (3, 6754475), (5, 4052685), (7, 2894775), (13, 1558725), (15, 1350895), (21, 964925), (25, 810537), (35, 578955), (39, 519575), (65, 311745), (75, 270179), (91, 222675), (105, 192985), (175, 115791), (195, 103915), (273, 74225), (325, 62349), (455, 44535), (525, 38597), (975, 20783), (1365, 14845), (2275, 8907), (2969, 6825)]