20683575180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{671981}}^1$

素因数の和:672021

約数の個数: 120

約数和(自身を含む): 68300250480

約数和(自身を除く): 47616675300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 270, 285, 324, 342, 380, 405, 513, 540, 570, 684, 810, 855, 1026, 1140, 1539, 1620, 1710, 2052, 2565, 3078, 3420, 5130, 6156, 7695, 10260, 15390, 30780, 671981, 1343962, 2015943, 2687924, 3359905, 4031886, 6047829, 6719810, 8063772, 10079715, 12095658, 12767639, 13439620, 18143487, 20159430, 24191316, 25535278, 30239145, 36286974, 38302917, 40318860, 51070556, 54430461, 60478290, 63838195, 72573948, 76605834, 90717435, 108860922, 114908751, 120956580, 127676390, 153211668, 181434870, 191514585, 217721844, 229817502, 255352780, 272152305, 344726253, 362869740, 383029170, 459635004, 544304610, 574543755, 689452506, 766058340, 1034178759, 1088609220, 1149087510, 1378905012, 1723631265, 2068357518, 2298175020, 3447262530, 4136715036, 5170893795, 6894525060, 10341787590, 20683575180]

約数ペア:

[(1, 20683575180), (2, 10341787590), (3, 6894525060), (4, 5170893795), (5, 4136715036), (6, 3447262530), (9, 2298175020), (10, 2068357518), (12, 1723631265), (15, 1378905012), (18, 1149087510), (19, 1088609220), (20, 1034178759), (27, 766058340), (30, 689452506), (36, 574543755), (38, 544304610), (45, 459635004), (54, 383029170), (57, 362869740), (60, 344726253), (76, 272152305), (81, 255352780), (90, 229817502), (95, 217721844), (108, 191514585), (114, 181434870), (135, 153211668), (162, 127676390), (171, 120956580), (180, 114908751), (190, 108860922), (228, 90717435), (270, 76605834), (285, 72573948), (324, 63838195), (342, 60478290), (380, 54430461), (405, 51070556), (513, 40318860), (540, 38302917), (570, 36286974), (684, 30239145), (810, 25535278), (855, 24191316), (1026, 20159430), (1140, 18143487), (1539, 13439620), (1620, 12767639), (1710, 12095658), (2052, 10079715), (2565, 8063772), (3078, 6719810), (3420, 6047829), (5130, 4031886), (6156, 3359905), (7695, 2687924), (10260, 2015943), (15390, 1343962), (30780, 671981)]