20162495175

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{2939}}^1$

素因数の和:3113

約数の個数: 96

約数和(自身を含む): 36012695040

約数和(自身を除く): 15850199865

約数列:

[1, 3, 5, 15, 23, 25, 41, 69, 75, 97, 115, 123, 205, 291, 345, 485, 575, 615, 943, 1025, 1455, 1725, 2231, 2425, 2829, 2939, 3075, 3977, 4715, 6693, 7275, 8817, 11155, 11931, 14145, 14695, 19885, 23575, 33465, 44085, 55775, 59655, 67597, 70725, 73475, 91471, 99425, 120499, 167325, 202791, 220425, 274413, 285083, 298275, 337985, 361497, 457355, 602495, 855249, 1013955, 1372065, 1425415, 1689925, 1807485, 2286775, 2771477, 3012475, 4276245, 5069775, 6556909, 6860325, 7127075, 8314431, 9037425, 11688403, 13857385, 19670727, 21381225, 32784545, 35065209, 41572155, 58442015, 69286925, 98353635, 163922725, 175326045, 207860775, 268833269, 292210075, 491768175, 806499807, 876630225, 1344166345, 4032499035, 6720831725, 20162495175]

約数ペア:

[(1, 20162495175), (3, 6720831725), (5, 4032499035), (15, 1344166345), (23, 876630225), (25, 806499807), (41, 491768175), (69, 292210075), (75, 268833269), (97, 207860775), (115, 175326045), (123, 163922725), (205, 98353635), (291, 69286925), (345, 58442015), (485, 41572155), (575, 35065209), (615, 32784545), (943, 21381225), (1025, 19670727), (1455, 13857385), (1725, 11688403), (2231, 9037425), (2425, 8314431), (2829, 7127075), (2939, 6860325), (3075, 6556909), (3977, 5069775), (4715, 4276245), (6693, 3012475), (7275, 2771477), (8817, 2286775), (11155, 1807485), (11931, 1689925), (14145, 1425415), (14695, 1372065), (19885, 1013955), (23575, 855249), (33465, 602495), (44085, 457355), (55775, 361497), (59655, 337985), (67597, 298275), (70725, 285083), (73475, 274413), (91471, 220425), (99425, 202791), (120499, 167325)]