20199256820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{911}}^1$

素因数の和:1078

約数の個数: 144

約数和(自身を含む): 46583486208

約数和(自身を除く): 26384229388

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 83, 95, 148, 166, 185, 190, 332, 361, 370, 380, 415, 703, 722, 740, 830, 911, 1406, 1444, 1577, 1660, 1805, 1822, 2812, 3071, 3154, 3515, 3610, 3644, 4555, 6142, 6308, 7030, 7220, 7885, 9110, 12284, 13357, 14060, 15355, 15770, 17309, 18220, 26714, 29963, 30710, 31540, 33707, 34618, 53428, 58349, 59926, 61420, 66785, 67414, 69236, 75613, 86545, 116698, 119852, 133570, 134828, 149815, 151226, 168535, 173090, 233396, 267140, 291745, 299630, 302452, 328871, 337070, 346180, 378065, 583490, 599260, 640433, 657742, 674140, 756130, 1108631, 1166980, 1280866, 1315484, 1436647, 1512260, 1644355, 2217262, 2561732, 2797681, 2873294, 3202165, 3288710, 4434524, 5543155, 5595362, 5746588, 6404330, 6577420, 7183235, 11086310, 11190724, 12168227, 12808660, 13988405, 14366470, 22172620, 24336454, 27296293, 27976810, 28732940, 48672908, 53155939, 54592586, 55953620, 60841135, 106311878, 109185172, 121682270, 136481465, 212623756, 243364540, 265779695, 272962930, 531559390, 545925860, 1009962841, 1063118780, 2019925682, 4039851364, 5049814205, 10099628410, 20199256820]

約数ペア:

[(1, 20199256820), (2, 10099628410), (4, 5049814205), (5, 4039851364), (10, 2019925682), (19, 1063118780), (20, 1009962841), (37, 545925860), (38, 531559390), (74, 272962930), (76, 265779695), (83, 243364540), (95, 212623756), (148, 136481465), (166, 121682270), (185, 109185172), (190, 106311878), (332, 60841135), (361, 55953620), (370, 54592586), (380, 53155939), (415, 48672908), (703, 28732940), (722, 27976810), (740, 27296293), (830, 24336454), (911, 22172620), (1406, 14366470), (1444, 13988405), (1577, 12808660), (1660, 12168227), (1805, 11190724), (1822, 11086310), (2812, 7183235), (3071, 6577420), (3154, 6404330), (3515, 5746588), (3610, 5595362), (3644, 5543155), (4555, 4434524), (6142, 3288710), (6308, 3202165), (7030, 2873294), (7220, 2797681), (7885, 2561732), (9110, 2217262), (12284, 1644355), (13357, 1512260), (14060, 1436647), (15355, 1315484), (15770, 1280866), (17309, 1166980), (18220, 1108631), (26714, 756130), (29963, 674140), (30710, 657742), (31540, 640433), (33707, 599260), (34618, 583490), (53428, 378065), (58349, 346180), (59926, 337070), (61420, 328871), (66785, 302452), (67414, 299630), (69236, 291745), (75613, 267140), (86545, 233396), (116698, 173090), (119852, 168535), (133570, 151226), (134828, 149815)]