20211657930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{26681}}^1$

素因数の和:27156

約数の個数: 96

約数和(自身を含む): 55443061440

約数和(自身を除く): 35231403510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 443, 570, 855, 886, 1329, 1710, 2215, 2658, 3987, 4430, 6645, 7974, 8417, 13290, 16834, 19935, 25251, 26681, 39870, 42085, 50502, 53362, 75753, 80043, 84170, 126255, 133405, 151506, 160086, 240129, 252510, 266810, 378765, 400215, 480258, 506939, 757530, 800430, 1013878, 1200645, 1520817, 2401290, 2534695, 3041634, 4562451, 5069390, 7604085, 9124902, 11819683, 15208170, 22812255, 23639366, 35459049, 45624510, 59098415, 70918098, 106377147, 118196830, 177295245, 212754294, 224573977, 354590490, 449147954, 531885735, 673721931, 1063771470, 1122869885, 1347443862, 2021165793, 2245739770, 3368609655, 4042331586, 6737219310, 10105828965, 20211657930]

約数ペア:

[(1, 20211657930), (2, 10105828965), (3, 6737219310), (5, 4042331586), (6, 3368609655), (9, 2245739770), (10, 2021165793), (15, 1347443862), (18, 1122869885), (19, 1063771470), (30, 673721931), (38, 531885735), (45, 449147954), (57, 354590490), (90, 224573977), (95, 212754294), (114, 177295245), (171, 118196830), (190, 106377147), (285, 70918098), (342, 59098415), (443, 45624510), (570, 35459049), (855, 23639366), (886, 22812255), (1329, 15208170), (1710, 11819683), (2215, 9124902), (2658, 7604085), (3987, 5069390), (4430, 4562451), (6645, 3041634), (7974, 2534695), (8417, 2401290), (13290, 1520817), (16834, 1200645), (19935, 1013878), (25251, 800430), (26681, 757530), (39870, 506939), (42085, 480258), (50502, 400215), (53362, 378765), (75753, 266810), (80043, 252510), (84170, 240129), (126255, 160086), (133405, 151506)]