20199335975

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{12113}}^1$

素因数の和:12876

約数の個数: 48

約数和(自身を含む): 30871899072

約数和(自身を除く): 10672563097

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 733, 2275, 3665, 5131, 9529, 12113, 18325, 25655, 47645, 60565, 66703, 84791, 128275, 157469, 238225, 302825, 333515, 423955, 787345, 1102283, 1667575, 2119775, 3936725, 5511415, 8878829, 27557075, 44394145, 62151803, 115424777, 221970725, 310759015, 577123885, 807973439, 1553795075, 2885619425, 4039867195, 20199335975]

約数ペア:

[(1, 20199335975), (5, 4039867195), (7, 2885619425), (13, 1553795075), (25, 807973439), (35, 577123885), (65, 310759015), (91, 221970725), (175, 115424777), (325, 62151803), (455, 44394145), (733, 27557075), (2275, 8878829), (3665, 5511415), (5131, 3936725), (9529, 2119775), (12113, 1667575), (18325, 1102283), (25655, 787345), (47645, 423955), (60565, 333515), (66703, 302825), (84791, 238225), (128275, 157469)]