20163595550

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{251}}^1\times {\mathrm{32789}}^1$

素因数の和:33066

約数の個数: 72

約数和(自身を含む): 43802587080

約数和(自身を除く): 23638991530

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 70, 98, 175, 245, 251, 350, 490, 502, 1225, 1255, 1757, 2450, 2510, 3514, 6275, 8785, 12299, 12550, 17570, 24598, 32789, 43925, 61495, 65578, 87850, 122990, 163945, 229523, 307475, 327890, 459046, 614950, 819725, 1147615, 1606661, 1639450, 2295230, 3213322, 5738075, 8033305, 8230039, 11476150, 16066610, 16460078, 40166525, 41150195, 57610273, 80333050, 82300390, 115220546, 205750975, 288051365, 403271911, 411501950, 576102730, 806543822, 1440256825, 2016359555, 2880513650, 4032719110, 10081797775, 20163595550]

約数ペア:

[(1, 20163595550), (2, 10081797775), (5, 4032719110), (7, 2880513650), (10, 2016359555), (14, 1440256825), (25, 806543822), (35, 576102730), (49, 411501950), (50, 403271911), (70, 288051365), (98, 205750975), (175, 115220546), (245, 82300390), (251, 80333050), (350, 57610273), (490, 41150195), (502, 40166525), (1225, 16460078), (1255, 16066610), (1757, 11476150), (2450, 8230039), (2510, 8033305), (3514, 5738075), (6275, 3213322), (8785, 2295230), (12299, 1639450), (12550, 1606661), (17570, 1147615), (24598, 819725), (32789, 614950), (43925, 459046), (61495, 327890), (65578, 307475), (87850, 229523), (122990, 163945)]