20833997535

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{501601}}^1$

素因数の和:501696

約数の個数: 48

約数和(自身を含む): 39437955648

約数和(自身を除く): 18603958113

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 71, 117, 195, 213, 355, 585, 639, 923, 1065, 2769, 3195, 4615, 8307, 13845, 41535, 501601, 1504803, 2508005, 4514409, 6520813, 7524015, 19562439, 22572045, 32604065, 35613671, 58687317, 97812195, 106841013, 178068355, 293436585, 320523039, 462977723, 534205065, 1388933169, 1602615195, 2314888615, 4166799507, 6944665845, 20833997535]

約数ペア:

[(1, 20833997535), (3, 6944665845), (5, 4166799507), (9, 2314888615), (13, 1602615195), (15, 1388933169), (39, 534205065), (45, 462977723), (65, 320523039), (71, 293436585), (117, 178068355), (195, 106841013), (213, 97812195), (355, 58687317), (585, 35613671), (639, 32604065), (923, 22572045), (1065, 19562439), (2769, 7524015), (3195, 6520813), (4615, 4514409), (8307, 2508005), (13845, 1504803), (41535, 501601)]