20161789450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{619}}^1\times {\mathrm{59221}}^1$

素因数の和:59863

約数の個数: 48

約数和(自身を含む): 40976886240

約数和(自身を除く): 20815096790

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 619, 1238, 3095, 6190, 6809, 13618, 15475, 30950, 34045, 59221, 68090, 118442, 170225, 296105, 340450, 592210, 651431, 1302862, 1480525, 2961050, 3257155, 6514310, 16285775, 32571550, 36657799, 73315598, 183288995, 366577990, 403235789, 806471578, 916444975, 1832889950, 2016178945, 4032357890, 10080894725, 20161789450]

約数ペア:

[(1, 20161789450), (2, 10080894725), (5, 4032357890), (10, 2016178945), (11, 1832889950), (22, 916444975), (25, 806471578), (50, 403235789), (55, 366577990), (110, 183288995), (275, 73315598), (550, 36657799), (619, 32571550), (1238, 16285775), (3095, 6514310), (6190, 3257155), (6809, 2961050), (13618, 1480525), (15475, 1302862), (30950, 651431), (34045, 592210), (59221, 340450), (68090, 296105), (118442, 170225)]